19681922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2287}}^1$

素因数の和:2633

約数の個数: 16

約数和(自身を含む): 31903872

約数和(自身を除く): 12221950

約数列:

[1, 2, 13, 26, 331, 662, 2287, 4303, 4574, 8606, 29731, 59462, 756997, 1513994, 9840961, 19681922]

約数ペア:

[(1, 19681922), (2, 9840961), (13, 1513994), (26, 756997), (331, 59462), (662, 29731), (2287, 8606), (4303, 4574)]