18487160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 45515520

約数和(自身を除く): 27028360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 877, 1054, 1240, 1754, 2108, 2635, 3508, 4216, 4385, 5270, 7016, 8770, 10540, 14909, 17540, 21080, 27187, 29818, 35080, 54374, 59636, 74545, 108748, 119272, 135935, 149090, 217496, 271870, 298180, 462179, 543740, 596360, 924358, 1087480, 1848716, 2310895, 3697432, 4621790, 9243580, 18487160]

約数ペア:

[(1, 18487160), (2, 9243580), (4, 4621790), (5, 3697432), (8, 2310895), (10, 1848716), (17, 1087480), (20, 924358), (31, 596360), (34, 543740), (40, 462179), (62, 298180), (68, 271870), (85, 217496), (124, 149090), (136, 135935), (155, 119272), (170, 108748), (248, 74545), (310, 59636), (340, 54374), (527, 35080), (620, 29818), (680, 27187), (877, 21080), (1054, 17540), (1240, 14909), (1754, 10540), (2108, 8770), (2635, 7016), (3508, 5270), (4216, 4385)]