17886740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6827}}^1$

素因数の和:6967

約数の個数: 24

約数和(自身を含む): 37854432

約数和(自身を除く): 19967692

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6827, 13654, 27308, 34135, 68270, 136540, 894337, 1788674, 3577348, 4471685, 8943370, 17886740]

約数ペア:

[(1, 17886740), (2, 8943370), (4, 4471685), (5, 3577348), (10, 1788674), (20, 894337), (131, 136540), (262, 68270), (524, 34135), (655, 27308), (1310, 13654), (2620, 6827)]