18668810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14251}}^1$

素因数の和:14389

約数の個数: 16

約数和(自身を含む): 33862752

約数和(自身を除く): 15193942

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 14251, 28502, 71255, 142510, 1866881, 3733762, 9334405, 18668810]

約数ペア:

[(1, 18668810), (2, 9334405), (5, 3733762), (10, 1866881), (131, 142510), (262, 71255), (655, 28502), (1310, 14251)]