18191312

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{11257}}^1$

素因数の和:11366

約数の個数: 20

約数和(自身を含む): 35597796

約数和(自身を除く): 17406484

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 11257, 22514, 45028, 90056, 180112, 1136957, 2273914, 4547828, 9095656, 18191312]

約数ペア:

[(1, 18191312), (2, 9095656), (4, 4547828), (8, 2273914), (16, 1136957), (101, 180112), (202, 90056), (404, 45028), (808, 22514), (1616, 11257)]