19973973

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2311}}^1$

素因数の和:2424

約数の個数: 16

約数和(自身を含む): 27670016

約数和(自身を除く): 7696043

約数列:

[1, 3, 43, 67, 129, 201, 2311, 2881, 6933, 8643, 99373, 154837, 298119, 464511, 6657991, 19973973]

約数ペア:

[(1, 19973973), (3, 6657991), (43, 464511), (67, 298119), (129, 154837), (201, 99373), (2311, 8643), (2881, 6933)]