18911828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{12541}}^1$

素因数の和:12587

約数の個数: 24

約数和(自身を含む): 36873480

約数和(自身を除く): 17961652

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 12541, 25082, 50164, 163033, 326066, 363689, 652132, 727378, 1454756, 4727957, 9455914, 18911828]

約数ペア:

[(1, 18911828), (2, 9455914), (4, 4727957), (13, 1454756), (26, 727378), (29, 652132), (52, 363689), (58, 326066), (116, 163033), (377, 50164), (754, 25082), (1508, 12541)]