18791494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 24

約数和(自身を含む): 31519368

約数和(自身を除く): 12727874

約数列:

[1, 2, 17, 19, 34, 38, 323, 361, 646, 722, 1531, 3062, 6137, 12274, 26027, 29089, 52054, 58178, 494513, 552691, 989026, 1105382, 9395747, 18791494]

約数ペア:

[(1, 18791494), (2, 9395747), (17, 1105382), (19, 989026), (34, 552691), (38, 494513), (323, 58178), (361, 52054), (646, 29089), (722, 26027), (1531, 12274), (3062, 6137)]