19958156956

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{121696079}}^1$

素因数の和:121696124

約数の個数: 12

約数和(自身を含む): 35778647520

約数和(自身を除く): 15820490564

約数列:

[1, 2, 4, 41, 82, 164, 121696079, 243392158, 486784316, 4989539239, 9979078478, 19958156956]

約数ペア:

[(1, 19958156956), (2, 9979078478), (4, 4989539239), (41, 486784316), (82, 243392158), (164, 121696079)]