19860616

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{18121}}^1$

素因数の和:18264

約数の個数: 16

約数和(自身を含む): 37512540

約数和(自身を除く): 17651924

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 18121, 36242, 72484, 144968, 2482577, 4965154, 9930308, 19860616]

約数ペア:

[(1, 19860616), (2, 9930308), (4, 4965154), (8, 2482577), (137, 144968), (274, 72484), (548, 36242), (1096, 18121)]