18657976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137191}}^1$

素因数の和:137214

約数の個数: 16

約数和(自身を含む): 37041840

約数和(自身を除く): 18383864

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137191, 274382, 548764, 1097528, 2332247, 4664494, 9328988, 18657976]

約数ペア:

[(1, 18657976), (2, 9328988), (4, 4664494), (8, 2332247), (17, 1097528), (34, 548764), (68, 274382), (136, 137191)]