19370978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6427}}^1$

素因数の和:6577

約数の個数: 16

約数和(自身を含む): 31934304

約数和(自身を除く): 12563326

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6427, 12854, 70697, 141394, 880499, 1760998, 9685489, 19370978]

約数ペア:

[(1, 19370978), (2, 9685489), (11, 1760998), (22, 880499), (137, 141394), (274, 70697), (1507, 12854), (3014, 6427)]