18749912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137867}}^1$

素因数の和:137890

約数の個数: 16

約数和(自身を含む): 37224360

約数和(自身を除く): 18474448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137867, 275734, 551468, 1102936, 2343739, 4687478, 9374956, 18749912]

約数ペア:

[(1, 18749912), (2, 9374956), (4, 4687478), (8, 2343739), (17, 1102936), (34, 551468), (68, 275734), (136, 137867)]