31680756

素因数分解:

$2^2\times 3^2\times {\mathrm{880021}}^1$

素因数の和:880031

約数の個数: 18

約数和(自身を含む): 80082002

約数和(自身を除く): 48401246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 880021, 1760042, 2640063, 3520084, 5280126, 7920189, 10560252, 15840378, 31680756]

約数ペア:

[(1, 31680756), (2, 15840378), (3, 10560252), (4, 7920189), (6, 5280126), (9, 3520084), (12, 2640063), (18, 1760042), (36, 880021)]