18230919

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 11444601

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 229, 357, 669, 687, 1561, 1603, 3791, 3893, 4683, 4809, 11373, 11679, 26537, 27251, 51067, 79611, 81753, 153201, 357469, 868139, 1072407, 2604417, 6076973, 18230919]

約数ペア:

[(1, 18230919), (3, 6076973), (7, 2604417), (17, 1072407), (21, 868139), (51, 357469), (119, 153201), (223, 81753), (229, 79611), (357, 51067), (669, 27251), (687, 26537), (1561, 11679), (1603, 11373), (3791, 4809), (3893, 4683)]