18311953

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 21551040

約数和(自身を除く): 3239087

約数列:

[1, 11, 19, 41, 209, 451, 779, 2137, 8569, 23507, 40603, 87617, 446633, 963787, 1664723, 18311953]

約数ペア:

[(1, 18311953), (11, 1664723), (19, 963787), (41, 446633), (209, 87617), (451, 40603), (779, 23507), (2137, 8569)]