19943790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{664793}}^1$

素因数の和:664803

約数の個数: 16

約数和(自身を含む): 47865168

約数和(自身を除く): 27921378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 664793, 1329586, 1994379, 3323965, 3988758, 6647930, 9971895, 19943790]

約数ペア:

[(1, 19943790), (2, 9971895), (3, 6647930), (5, 3988758), (6, 3323965), (10, 1994379), (15, 1329586), (30, 664793)]