18808227

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 30044160

約数和(自身を除く): 11235933

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 977, 2139, 2931, 6417, 8793, 19251, 22471, 26379, 30287, 67413, 90861, 202239, 272583, 606717, 696601, 817749, 2089803, 6269409, 18808227]

約数ペア:

[(1, 18808227), (3, 6269409), (9, 2089803), (23, 817749), (27, 696601), (31, 606717), (69, 272583), (93, 202239), (207, 90861), (279, 67413), (621, 30287), (713, 26379), (837, 22471), (977, 19251), (2139, 8793), (2931, 6417)]