18539792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68161}}^1$

素因数の和:68186

約数の個数: 20

約数和(自身を含む): 38034396

約数和(自身を除く): 19494604

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68161, 136322, 272644, 545288, 1090576, 1158737, 2317474, 4634948, 9269896, 18539792]

約数ペア:

[(1, 18539792), (2, 9269896), (4, 4634948), (8, 2317474), (16, 1158737), (17, 1090576), (34, 545288), (68, 272644), (136, 136322), (272, 68161)]