18708950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 37966320

約数和(自身を除く): 19257370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 269, 325, 535, 538, 650, 1070, 1345, 1391, 2675, 2690, 2782, 3497, 5350, 6725, 6955, 6994, 13450, 13910, 17485, 28783, 34775, 34970, 57566, 69550, 87425, 143915, 174850, 287830, 374179, 719575, 748358, 1439150, 1870895, 3741790, 9354475, 18708950]

約数ペア:

[(1, 18708950), (2, 9354475), (5, 3741790), (10, 1870895), (13, 1439150), (25, 748358), (26, 719575), (50, 374179), (65, 287830), (107, 174850), (130, 143915), (214, 87425), (269, 69550), (325, 57566), (535, 34970), (538, 34775), (650, 28783), (1070, 17485), (1345, 13910), (1391, 13450), (2675, 6994), (2690, 6955), (2782, 6725), (3497, 5350)]