19537340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7457}}^1$

素因数の和:7597

約数の個数: 24

約数和(自身を含む): 41347152

約数和(自身を除く): 21809812

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7457, 14914, 29828, 37285, 74570, 149140, 976867, 1953734, 3907468, 4884335, 9768670, 19537340]

約数ペア:

[(1, 19537340), (2, 9768670), (4, 4884335), (5, 3907468), (10, 1953734), (20, 976867), (131, 149140), (262, 74570), (524, 37285), (655, 29828), (1310, 14914), (2620, 7457)]