18198960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 64162560

約数和(自身を除く): 45963600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 307, 312, 380, 390, 456, 494, 520, 570, 614, 624, 741, 760, 780, 912, 921, 988, 1040, 1140, 1228, 1235, 1482, 1520, 1535, 1560, 1842, 1976, 2280, 2456, 2470, 2964, 3070, 3120, 3684, 3705, 3952, 3991, 4560, 4605, 4912, 4940, 5833, 5928, 6140, 7368, 7410, 7982, 9210, 9880, 11666, 11856, 11973, 12280, 14736, 14820, 15964, 17499, 18420, 19760, 19955, 23332, 23946, 24560, 29165, 29640, 31928, 34998, 36840, 39910, 46664, 47892, 58330, 59280, 59865, 63856, 69996, 73680, 75829, 79820, 87495, 93328, 95784, 116660, 119730, 139992, 151658, 159640, 174990, 191568, 227487, 233320, 239460, 279984, 303316, 319280, 349980, 379145, 454974, 466640, 478920, 606632, 699960, 758290, 909948, 957840, 1137435, 1213264, 1399920, 1516580, 1819896, 2274870, 3033160, 3639792, 4549740, 6066320, 9099480, 18198960]

約数ペア:

[(1, 18198960), (2, 9099480), (3, 6066320), (4, 4549740), (5, 3639792), (6, 3033160), (8, 2274870), (10, 1819896), (12, 1516580), (13, 1399920), (15, 1213264), (16, 1137435), (19, 957840), (20, 909948), (24, 758290), (26, 699960), (30, 606632), (38, 478920), (39, 466640), (40, 454974), (48, 379145), (52, 349980), (57, 319280), (60, 303316), (65, 279984), (76, 239460), (78, 233320), (80, 227487), (95, 191568), (104, 174990), (114, 159640), (120, 151658), (130, 139992), (152, 119730), (156, 116660), (190, 95784), (195, 93328), (208, 87495), (228, 79820), (240, 75829), (247, 73680), (260, 69996), (285, 63856), (304, 59865), (307, 59280), (312, 58330), (380, 47892), (390, 46664), (456, 39910), (494, 36840), (520, 34998), (570, 31928), (614, 29640), (624, 29165), (741, 24560), (760, 23946), (780, 23332), (912, 19955), (921, 19760), (988, 18420), (1040, 17499), (1140, 15964), (1228, 14820), (1235, 14736), (1482, 12280), (1520, 11973), (1535, 11856), (1560, 11666), (1842, 9880), (1976, 9210), (2280, 7982), (2456, 7410), (2470, 7368), (2964, 6140), (3070, 5928), (3120, 5833), (3684, 4940), (3705, 4912), (3952, 4605), (3991, 4560)]