18280318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3617}}^1$

素因数の和:3664

約数の個数: 24

約数和(自身を含む): 33082992

約数和(自身を除く): 14802674

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 3617, 5054, 7234, 25319, 50638, 68723, 137446, 481061, 962122, 1305737, 2611474, 9140159, 18280318]

約数ペア:

[(1, 18280318), (2, 9140159), (7, 2611474), (14, 1305737), (19, 962122), (38, 481061), (133, 137446), (266, 68723), (361, 50638), (722, 25319), (2527, 7234), (3617, 5054)]