17980967545

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1\times {\mathrm{25243}}^1$

素因数の和:26664

約数の個数: 16

約数和(自身を含む): 21792640320

約数和(自身を除く): 3811672775

約数列:

[1, 5, 109, 545, 1307, 6535, 25243, 126215, 142463, 712315, 2751487, 13757435, 32992601, 164963005, 3596193509, 17980967545]

約数ペア:

[(1, 17980967545), (5, 3596193509), (109, 164963005), (545, 32992601), (1307, 13757435), (6535, 2751487), (25243, 712315), (126215, 142463)]