18309790

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 15697250

約数列:

[1, 2, 5, 10, 47, 94, 163, 235, 239, 326, 470, 478, 815, 1195, 1630, 2390, 7661, 11233, 15322, 22466, 38305, 38957, 56165, 76610, 77914, 112330, 194785, 389570, 1830979, 3661958, 9154895, 18309790]

約数ペア:

[(1, 18309790), (2, 9154895), (5, 3661958), (10, 1830979), (47, 389570), (94, 194785), (163, 112330), (235, 77914), (239, 76610), (326, 56165), (470, 38957), (478, 38305), (815, 22466), (1195, 15322), (1630, 11233), (2390, 7661)]