18949288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139333}}^1$

素因数の和:139356

約数の個数: 16

約数和(自身を含む): 37620180

約数和(自身を除く): 18670892

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139333, 278666, 557332, 1114664, 2368661, 4737322, 9474644, 18949288]

約数ペア:

[(1, 18949288), (2, 9474644), (4, 4737322), (8, 2368661), (17, 1114664), (34, 557332), (68, 278666), (136, 139333)]