19803604

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 35538048

約数和(自身を除く): 15734444

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 677, 1354, 2708, 7313, 14626, 29252, 48067, 69731, 96134, 139462, 192268, 278924, 4950901, 9901802, 19803604]

約数ペア:

[(1, 19803604), (2, 9901802), (4, 4950901), (71, 278924), (103, 192268), (142, 139462), (206, 96134), (284, 69731), (412, 48067), (677, 29252), (1354, 14626), (2708, 7313)]