19600780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51581}}^1$

素因数の和:51609

約数の個数: 24

約数和(自身を含む): 43328880

約数和(自身を除く): 23728100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51581, 103162, 206324, 257905, 515810, 980039, 1031620, 1960078, 3920156, 4900195, 9800390, 19600780]

約数ペア:

[(1, 19600780), (2, 9800390), (4, 4900195), (5, 3920156), (10, 1960078), (19, 1031620), (20, 980039), (38, 515810), (76, 257905), (95, 206324), (190, 103162), (380, 51581)]