19958790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665293}}^1$

素因数の和:665303

約数の個数: 16

約数和(自身を含む): 47901168

約数和(自身を除く): 27942378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665293, 1330586, 1995879, 3326465, 3991758, 6652930, 9979395, 19958790]

約数ペア:

[(1, 19958790), (2, 9979395), (3, 6652930), (5, 3991758), (6, 3326465), (10, 1995879), (15, 1330586), (30, 665293)]