18813900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 68217856

約数和(自身を除く): 49403956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 31, 34, 35, 42, 50, 51, 60, 62, 68, 70, 75, 84, 85, 93, 100, 102, 105, 119, 124, 140, 150, 155, 170, 175, 186, 204, 210, 217, 238, 255, 289, 300, 310, 340, 350, 357, 372, 420, 425, 434, 465, 476, 510, 525, 527, 578, 595, 620, 651, 700, 714, 775, 850, 867, 868, 930, 1020, 1050, 1054, 1085, 1156, 1190, 1275, 1302, 1428, 1445, 1550, 1581, 1700, 1734, 1785, 1860, 2023, 2100, 2108, 2170, 2325, 2380, 2550, 2604, 2635, 2890, 2975, 3100, 3162, 3255, 3468, 3570, 3689, 4046, 4335, 4340, 4650, 5100, 5270, 5425, 5780, 5950, 6069, 6324, 6510, 7140, 7225, 7378, 7905, 8092, 8670, 8925, 8959, 9300, 10115, 10540, 10850, 11067, 11900, 12138, 13020, 13175, 14450, 14756, 15810, 16275, 17340, 17850, 17918, 18445, 20230, 21675, 21700, 22134, 24276, 26350, 26877, 28900, 30345, 31620, 32550, 35700, 35836, 36890, 39525, 40460, 43350, 44268, 44795, 50575, 52700, 53754, 55335, 60690, 62713, 65100, 73780, 79050, 86700, 89590, 92225, 101150, 107508, 110670, 121380, 125426, 134385, 151725, 158100, 179180, 184450, 188139, 202300, 221340, 223975, 250852, 268770, 276675, 303450, 313565, 368900, 376278, 447950, 537540, 553350, 606900, 627130, 671925, 752556, 895900, 940695, 1106700, 1254260, 1343850, 1567825, 1881390, 2687700, 3135650, 3762780, 4703475, 6271300, 9406950, 18813900]

約数ペア:

[(1, 18813900), (2, 9406950), (3, 6271300), (4, 4703475), (5, 3762780), (6, 3135650), (7, 2687700), (10, 1881390), (12, 1567825), (14, 1343850), (15, 1254260), (17, 1106700), (20, 940695), (21, 895900), (25, 752556), (28, 671925), (30, 627130), (31, 606900), (34, 553350), (35, 537540), (42, 447950), (50, 376278), (51, 368900), (60, 313565), (62, 303450), (68, 276675), (70, 268770), (75, 250852), (84, 223975), (85, 221340), (93, 202300), (100, 188139), (102, 184450), (105, 179180), (119, 158100), (124, 151725), (140, 134385), (150, 125426), (155, 121380), (170, 110670), (175, 107508), (186, 101150), (204, 92225), (210, 89590), (217, 86700), (238, 79050), (255, 73780), (289, 65100), (300, 62713), (310, 60690), (340, 55335), (350, 53754), (357, 52700), (372, 50575), (420, 44795), (425, 44268), (434, 43350), (465, 40460), (476, 39525), (510, 36890), (525, 35836), (527, 35700), (578, 32550), (595, 31620), (620, 30345), (651, 28900), (700, 26877), (714, 26350), (775, 24276), (850, 22134), (867, 21700), (868, 21675), (930, 20230), (1020, 18445), (1050, 17918), (1054, 17850), (1085, 17340), (1156, 16275), (1190, 15810), (1275, 14756), (1302, 14450), (1428, 13175), (1445, 13020), (1550, 12138), (1581, 11900), (1700, 11067), (1734, 10850), (1785, 10540), (1860, 10115), (2023, 9300), (2100, 8959), (2108, 8925), (2170, 8670), (2325, 8092), (2380, 7905), (2550, 7378), (2604, 7225), (2635, 7140), (2890, 6510), (2975, 6324), (3100, 6069), (3162, 5950), (3255, 5780), (3468, 5425), (3570, 5270), (3689, 5100), (4046, 4650), (4335, 4340)]