18655352

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 36460800

約数和(自身を除く): 17805448

約数列:

[1, 2, 4, 8, 29, 58, 116, 191, 232, 382, 421, 764, 842, 1528, 1684, 3368, 5539, 11078, 12209, 22156, 24418, 44312, 48836, 80411, 97672, 160822, 321644, 643288, 2331919, 4663838, 9327676, 18655352]

約数ペア:

[(1, 18655352), (2, 9327676), (4, 4663838), (8, 2331919), (29, 643288), (58, 321644), (116, 160822), (191, 97672), (232, 80411), (382, 48836), (421, 44312), (764, 24418), (842, 22156), (1528, 12209), (1684, 11078), (3368, 5539)]