19490822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8423}}^1$

素因数の和:8527

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 12351898

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8423, 16846, 109499, 218998, 749647, 1499294, 9745411, 19490822]

約数ペア:

[(1, 19490822), (2, 9745411), (13, 1499294), (26, 749647), (89, 218998), (178, 109499), (1157, 16846), (2314, 8423)]