19792894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2137}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 32480496

約数和(自身を除く): 12687602

約数列:

[1, 2, 11, 22, 421, 842, 2137, 4274, 4631, 9262, 23507, 47014, 899677, 1799354, 9896447, 19792894]

約数ペア:

[(1, 19792894), (2, 9896447), (11, 1799354), (22, 899677), (421, 47014), (842, 23507), (2137, 9262), (4274, 4631)]