20131218

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3643}}^1$

素因数の和:3958

約数の個数: 24

約数和(自身を含む): 43771728

約数和(自身を除く): 23640510

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3643, 5526, 7286, 10929, 21858, 32787, 65574, 1118401, 2236802, 3355203, 6710406, 10065609, 20131218]

約数ペア:

[(1, 20131218), (2, 10065609), (3, 6710406), (6, 3355203), (9, 2236802), (18, 1118401), (307, 65574), (614, 32787), (921, 21858), (1842, 10929), (2763, 7286), (3643, 5526)]