18078318

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{23357}}^1$

素因数の和:23408

約数の個数: 24

約数和(自身を含む): 40082328

約数和(自身を除く): 22004010

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 23357, 46714, 70071, 140142, 210213, 420426, 1004351, 2008702, 3013053, 6026106, 9039159, 18078318]

約数ペア:

[(1, 18078318), (2, 9039159), (3, 6026106), (6, 3013053), (9, 2008702), (18, 1004351), (43, 420426), (86, 210213), (129, 140142), (258, 70071), (387, 46714), (774, 23357)]