18561426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{237967}}^1$

素因数の和:237985

約数の個数: 16

約数和(自身を含む): 39978624

約数和(自身を除く): 21417198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 237967, 475934, 713901, 1427802, 3093571, 6187142, 9280713, 18561426]

約数ペア:

[(1, 18561426), (2, 9280713), (3, 6187142), (6, 3093571), (13, 1427802), (26, 713901), (39, 475934), (78, 237967)]