19921226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8609}}^1$

素因数の和:8713

約数の個数: 16

約数和(自身を含む): 32545800

約数和(自身を除く): 12624574

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8609, 17218, 111917, 223834, 766201, 1532402, 9960613, 19921226]

約数ペア:

[(1, 19921226), (2, 9960613), (13, 1532402), (26, 766201), (89, 223834), (178, 111917), (1157, 17218), (2314, 8609)]