18678426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5630

約数の個数: 32

約数和(自身を含む): 41173440

約数和(自身を除く): 22495014

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 5569, 11138, 16707, 33414, 72397, 144794, 217191, 239467, 434382, 478934, 718401, 1436802, 3113071, 6226142, 9339213, 18678426]

約数ペア:

[(1, 18678426), (2, 9339213), (3, 6226142), (6, 3113071), (13, 1436802), (26, 718401), (39, 478934), (43, 434382), (78, 239467), (86, 217191), (129, 144794), (258, 72397), (559, 33414), (1118, 16707), (1677, 11138), (3354, 5569)]