19974913

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 3733247

約数列:

[1, 7, 41, 79, 287, 553, 881, 3239, 6167, 22673, 36121, 69599, 252847, 487193, 2853559, 19974913]

約数ペア:

[(1, 19974913), (7, 2853559), (41, 487193), (79, 252847), (287, 69599), (553, 36121), (881, 22673), (3239, 6167)]