18927417

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 25926912

約数和(自身を除く): 6999495

約数列:

[1, 3, 47, 141, 241, 557, 723, 1671, 11327, 26179, 33981, 78537, 134237, 402711, 6309139, 18927417]

約数ペア:

[(1, 18927417), (3, 6309139), (47, 402711), (141, 134237), (241, 78537), (557, 33981), (723, 26179), (1671, 11327)]