18278990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{63031}}^1$

素因数の和:63067

約数の個数: 16

約数和(自身を含む): 34037280

約数和(自身を除く): 15758290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 63031, 126062, 315155, 630310, 1827899, 3655798, 9139495, 18278990]

約数ペア:

[(1, 18278990), (2, 9139495), (5, 3655798), (10, 1827899), (29, 630310), (58, 315155), (145, 126062), (290, 63031)]