19266845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^2$

素因数の和:333

約数の個数: 18

約数和(自身を含む): 25202394

約数和(自身を除く): 5935549

約数列:

[1, 5, 13, 65, 151, 169, 755, 845, 1963, 9815, 22801, 25519, 114005, 127595, 296413, 1482065, 3853369, 19266845]

約数ペア:

[(1, 19266845), (5, 3853369), (13, 1482065), (65, 296413), (151, 127595), (169, 114005), (755, 25519), (845, 22801), (1963, 9815)]