18480470

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 34128000

約数和(自身を除く): 15647530

約数列:

[1, 2, 5, 10, 79, 149, 157, 158, 298, 314, 395, 745, 785, 790, 1490, 1570, 11771, 12403, 23393, 23542, 24806, 46786, 58855, 62015, 116965, 117710, 124030, 233930, 1848047, 3696094, 9240235, 18480470]

約数ペア:

[(1, 18480470), (2, 9240235), (5, 3696094), (10, 1848047), (79, 233930), (149, 124030), (157, 117710), (158, 116965), (298, 62015), (314, 58855), (395, 46786), (745, 24806), (785, 23542), (790, 23393), (1490, 12403), (1570, 11771)]