18491679

素因数分解:

$3^3\times {\mathrm{701}}^1\times {\mathrm{977}}^1$

素因数の和:1687

約数の個数: 16

約数和(自身を含む): 27462240

約数和(自身を除く): 8970561

約数列:

[1, 3, 9, 27, 701, 977, 2103, 2931, 6309, 8793, 18927, 26379, 684877, 2054631, 6163893, 18491679]

約数ペア:

[(1, 18491679), (3, 6163893), (9, 2054631), (27, 684877), (701, 26379), (977, 18927), (2103, 8793), (2931, 6309)]