18980433

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14957}}^1$

素因数の和:15013

約数の個数: 16

約数和(自身を含む): 28719360

約数和(自身を除く): 9738927

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14957, 44871, 134613, 403839, 702979, 2108937, 6326811, 18980433]

約数ペア:

[(1, 18980433), (3, 6326811), (9, 2108937), (27, 702979), (47, 403839), (141, 134613), (423, 44871), (1269, 14957)]