1949870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 3864672

約数和(自身を除く): 1914802

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 283, 530, 566, 689, 1378, 1415, 2830, 3445, 3679, 6890, 7358, 14999, 18395, 29998, 36790, 74995, 149990, 194987, 389974, 974935, 1949870]

約数ペア:

[(1, 1949870), (2, 974935), (5, 389974), (10, 194987), (13, 149990), (26, 74995), (53, 36790), (65, 29998), (106, 18395), (130, 14999), (265, 7358), (283, 6890), (530, 3679), (566, 3445), (689, 2830), (1378, 1415)]