18911097

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4297}}^1$

素因数の和:4469

約数の個数: 16

約数和(自身を含む): 28194880

約数和(自身を除く): 9283783

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4297, 4401, 12891, 38673, 116019, 700411, 2101233, 6303699, 18911097]

約数ペア:

[(1, 18911097), (3, 6303699), (9, 2101233), (27, 700411), (163, 116019), (489, 38673), (1467, 12891), (4297, 4401)]