18947667

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 6961965

約数列:

[1, 3, 67, 107, 201, 321, 881, 2643, 7169, 21507, 59027, 94267, 177081, 282801, 6315889, 18947667]

約数ペア:

[(1, 18947667), (3, 6315889), (67, 282801), (107, 177081), (201, 94267), (321, 59027), (881, 21507), (2643, 7169)]