81911926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{9413}}^1$

素因数の和:9663

約数の個数: 16

約数和(自身を含む): 129913200

約数和(自身を除く): 48001274

約数列:

[1, 2, 19, 38, 229, 458, 4351, 8702, 9413, 18826, 178847, 357694, 2155577, 4311154, 40955963, 81911926]

約数ペア:

[(1, 81911926), (2, 40955963), (19, 4311154), (38, 2155577), (229, 357694), (458, 178847), (4351, 18826), (8702, 9413)]