18806428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{701}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 34791120

約数和(自身を除く): 15984692

約数列:

[1, 2, 4, 19, 38, 76, 353, 701, 706, 1402, 1412, 2804, 6707, 13319, 13414, 26638, 26828, 53276, 247453, 494906, 989812, 4701607, 9403214, 18806428]

約数ペア:

[(1, 18806428), (2, 9403214), (4, 4701607), (19, 989812), (38, 494906), (76, 247453), (353, 53276), (701, 26828), (706, 26638), (1402, 13414), (1412, 13319), (2804, 6707)]