18690558

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 20275842

約数列:

[1, 2, 3, 6, 29, 58, 87, 163, 174, 326, 489, 659, 978, 1318, 1977, 3954, 4727, 9454, 14181, 19111, 28362, 38222, 57333, 107417, 114666, 214834, 322251, 644502, 3115093, 6230186, 9345279, 18690558]

約数ペア:

[(1, 18690558), (2, 9345279), (3, 6230186), (6, 3115093), (29, 644502), (58, 322251), (87, 214834), (163, 114666), (174, 107417), (326, 57333), (489, 38222), (659, 28362), (978, 19111), (1318, 14181), (1977, 9454), (3954, 4727)]