19943430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51137}}^1$

素因数の和:51160

約数の個数: 32

約数和(自身を含む): 51547104

約数和(自身を除く): 31603674

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51137, 102274, 153411, 255685, 306822, 511370, 664781, 767055, 1329562, 1534110, 1994343, 3323905, 3988686, 6647810, 9971715, 19943430]

約数ペア:

[(1, 19943430), (2, 9971715), (3, 6647810), (5, 3988686), (6, 3323905), (10, 1994343), (13, 1534110), (15, 1329562), (26, 767055), (30, 664781), (39, 511370), (65, 306822), (78, 255685), (130, 153411), (195, 102274), (390, 51137)]