1859980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 3945312

約数和(自身を除く): 2085332

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 823, 1130, 1646, 2260, 3292, 4115, 8230, 16460, 92999, 185998, 371996, 464995, 929990, 1859980]

約数ペア:

[(1, 1859980), (2, 929990), (4, 464995), (5, 371996), (10, 185998), (20, 92999), (113, 16460), (226, 8230), (452, 4115), (565, 3292), (823, 2260), (1130, 1646)]