18026991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9978129

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2243, 2679, 6729, 8037, 20187, 42617, 105421, 127851, 316263, 383553, 948789, 2002999, 6008997, 18026991]

約数ペア:

[(1, 18026991), (3, 6008997), (9, 2002999), (19, 948789), (47, 383553), (57, 316263), (141, 127851), (171, 105421), (423, 42617), (893, 20187), (2243, 8037), (2679, 6729)]