19581374

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:2035

約数の個数: 16

約数和(自身を含む): 30209760

約数和(自身を除く): 10628386

約数列:

[1, 2, 71, 73, 142, 146, 1889, 3778, 5183, 10366, 134119, 137897, 268238, 275794, 9790687, 19581374]

約数ペア:

[(1, 19581374), (2, 9790687), (71, 275794), (73, 268238), (142, 137897), (146, 134119), (1889, 10366), (3778, 5183)]