19502951

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 21732480

約数和(自身を除く): 2229529

約数列:

[1, 13, 43, 139, 251, 559, 1807, 3263, 5977, 10793, 34889, 77701, 140309, 453557, 1500227, 19502951]

約数ペア:

[(1, 19502951), (13, 1500227), (43, 453557), (139, 140309), (251, 77701), (559, 34889), (1807, 10793), (3263, 5977)]