18958713

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2539}}^1$

素因数の和:2692

約数の個数: 16

約数和(自身を含む): 26822400

約数和(自身を除く): 7863687

約数列:

[1, 3, 19, 57, 131, 393, 2489, 2539, 7467, 7617, 48241, 144723, 332609, 997827, 6319571, 18958713]

約数ペア:

[(1, 18958713), (3, 6319571), (19, 997827), (57, 332609), (131, 144723), (393, 48241), (2489, 7617), (2539, 7467)]