19958970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665299}}^1$

素因数の和:665309

約数の個数: 16

約数和(自身を含む): 47901600

約数和(自身を除く): 27942630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665299, 1330598, 1995897, 3326495, 3991794, 6652990, 9979485, 19958970]

約数ペア:

[(1, 19958970), (2, 9979485), (3, 6652990), (5, 3991794), (6, 3326495), (10, 1995897), (15, 1330598), (30, 665299)]