19943313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6473}}^1$

素因数の和:6568

約数の個数: 16

約数和(自身を含む): 29003520

約数和(自身を除く): 9060207

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6473, 19419, 84149, 252447, 511367, 1534101, 6647771, 19943313]

約数ペア:

[(1, 19943313), (3, 6647771), (13, 1534101), (39, 511367), (79, 252447), (237, 84149), (1027, 19419), (3081, 6473)]