18899191920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{2111}}^1$

素因数の和:2280

約数の個数: 240

約数和(自身を含む): 67919081472

約数和(自身を除く): 49019889552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 730, 840, 876, 1022, 1095, 1168, 1460, 1533, 1680, 1752, 2044, 2111, 2190, 2555, 2920, 3066, 3504, 4088, 4222, 4380, 5110, 5329, 5840, 6132, 6333, 7665, 8176, 8444, 8760, 10220, 10555, 10658, 12264, 12666, 14777, 15330, 15987, 16888, 17520, 20440, 21110, 21316, 24528, 25332, 26645, 29554, 30660, 31665, 31974, 33776, 37303, 40880, 42220, 42632, 44331, 50664, 53290, 59108, 61320, 63330, 63948, 73885, 74606, 79935, 84440, 85264, 88662, 101328, 106580, 111909, 118216, 122640, 126660, 127896, 147770, 149212, 154103, 159870, 168880, 177324, 186515, 213160, 221655, 223818, 236432, 253320, 255792, 295540, 298424, 308206, 319740, 354648, 373030, 426320, 443310, 447636, 462309, 506640, 559545, 591080, 596848, 616412, 639480, 709296, 746060, 770515, 886620, 895272, 924618, 1078721, 1119090, 1182160, 1232824, 1278960, 1492120, 1541030, 1773240, 1790544, 1849236, 2157442, 2238180, 2311545, 2465648, 2984240, 3082060, 3236163, 3546480, 3698472, 4314884, 4476360, 4623090, 5393605, 6164120, 6472326, 7396944, 8629768, 8952720, 9246180, 10787210, 11249519, 12328240, 12944652, 16180815, 17259536, 18492360, 21574420, 22499038, 25889304, 32361630, 33748557, 36984720, 43148840, 44998076, 51778608, 56247595, 64723260, 67497114, 78746633, 86297680, 89996152, 112495190, 129446520, 134994228, 157493266, 168742785, 179992304, 224990380, 236239899, 258893040, 269988456, 314986532, 337485570, 393733165, 449980760, 472479798, 539976912, 629973064, 674971140, 787466330, 899961520, 944959596, 1181199495, 1259946128, 1349942280, 1574932660, 1889919192, 2362398990, 2699884560, 3149865320, 3779838384, 4724797980, 6299730640, 9449595960, 18899191920]

約数ペア:

[(1, 18899191920), (2, 9449595960), (3, 6299730640), (4, 4724797980), (5, 3779838384), (6, 3149865320), (7, 2699884560), (8, 2362398990), (10, 1889919192), (12, 1574932660), (14, 1349942280), (15, 1259946128), (16, 1181199495), (20, 944959596), (21, 899961520), (24, 787466330), (28, 674971140), (30, 629973064), (35, 539976912), (40, 472479798), (42, 449980760), (48, 393733165), (56, 337485570), (60, 314986532), (70, 269988456), (73, 258893040), (80, 236239899), (84, 224990380), (105, 179992304), (112, 168742785), (120, 157493266), (140, 134994228), (146, 129446520), (168, 112495190), (210, 89996152), (219, 86297680), (240, 78746633), (280, 67497114), (292, 64723260), (336, 56247595), (365, 51778608), (420, 44998076), (438, 43148840), (511, 36984720), (560, 33748557), (584, 32361630), (730, 25889304), (840, 22499038), (876, 21574420), (1022, 18492360), (1095, 17259536), (1168, 16180815), (1460, 12944652), (1533, 12328240), (1680, 11249519), (1752, 10787210), (2044, 9246180), (2111, 8952720), (2190, 8629768), (2555, 7396944), (2920, 6472326), (3066, 6164120), (3504, 5393605), (4088, 4623090), (4222, 4476360), (4380, 4314884), (5110, 3698472), (5329, 3546480), (5840, 3236163), (6132, 3082060), (6333, 2984240), (7665, 2465648), (8176, 2311545), (8444, 2238180), (8760, 2157442), (10220, 1849236), (10555, 1790544), (10658, 1773240), (12264, 1541030), (12666, 1492120), (14777, 1278960), (15330, 1232824), (15987, 1182160), (16888, 1119090), (17520, 1078721), (20440, 924618), (21110, 895272), (21316, 886620), (24528, 770515), (25332, 746060), (26645, 709296), (29554, 639480), (30660, 616412), (31665, 596848), (31974, 591080), (33776, 559545), (37303, 506640), (40880, 462309), (42220, 447636), (42632, 443310), (44331, 426320), (50664, 373030), (53290, 354648), (59108, 319740), (61320, 308206), (63330, 298424), (63948, 295540), (73885, 255792), (74606, 253320), (79935, 236432), (84440, 223818), (85264, 221655), (88662, 213160), (101328, 186515), (106580, 177324), (111909, 168880), (118216, 159870), (122640, 154103), (126660, 149212), (127896, 147770)]