18464380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4937}}^1$

素因数の和:4974

約数の個数: 48

約数和(自身を含む): 44797536

約数和(自身を除く): 26333156

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4937, 9874, 19748, 24685, 49370, 54307, 83929, 98740, 108614, 167858, 217228, 271535, 335716, 419645, 543070, 839290, 923219, 1086140, 1678580, 1846438, 3692876, 4616095, 9232190, 18464380]

約数ペア:

[(1, 18464380), (2, 9232190), (4, 4616095), (5, 3692876), (10, 1846438), (11, 1678580), (17, 1086140), (20, 923219), (22, 839290), (34, 543070), (44, 419645), (55, 335716), (68, 271535), (85, 217228), (110, 167858), (170, 108614), (187, 98740), (220, 83929), (340, 54307), (374, 49370), (748, 24685), (935, 19748), (1870, 9874), (3740, 4937)]