19871038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12373}}^1$

素因数の和:12459

約数の個数: 16

約数和(自身を含む): 32964336

約数和(自身を除く): 13093298

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12373, 24746, 136103, 272206, 903229, 1806458, 9935519, 19871038]

約数ペア:

[(1, 19871038), (2, 9935519), (11, 1806458), (22, 903229), (73, 272206), (146, 136103), (803, 24746), (1606, 12373)]