18906808

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4243}}^1$

素因数の和:4806

約数の個数: 16

約数和(自身を含む): 35522280

約数和(自身を除く): 16615472

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4243, 4456, 8486, 16972, 33944, 2363351, 4726702, 9453404, 18906808]

約数ペア:

[(1, 18906808), (2, 9453404), (4, 4726702), (8, 2363351), (557, 33944), (1114, 16972), (2228, 8486), (4243, 4456)]