18203311

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 5504849

約数列:

[1, 7, 17, 19, 83, 97, 119, 133, 323, 581, 679, 1411, 1577, 1649, 1843, 2261, 8051, 9877, 11039, 11543, 12901, 26809, 31331, 56357, 136867, 152969, 187663, 219317, 958069, 1070783, 2600473, 18203311]

約数ペア:

[(1, 18203311), (7, 2600473), (17, 1070783), (19, 958069), (83, 219317), (97, 187663), (119, 152969), (133, 136867), (323, 56357), (581, 31331), (679, 26809), (1411, 12901), (1577, 11543), (1649, 11039), (1843, 9877), (2261, 8051)]