19956390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665213}}^1$

素因数の和:665223

約数の個数: 16

約数和(自身を含む): 47895408

約数和(自身を除く): 27939018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665213, 1330426, 1995639, 3326065, 3991278, 6652130, 9978195, 19956390]

約数ペア:

[(1, 19956390), (2, 9978195), (3, 6652130), (5, 3991278), (6, 3326065), (10, 1995639), (15, 1330426), (30, 665213)]