12399420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18787}}^1$

素因数の和:18810

約数の個数: 48

約数和(自身を含む): 37876608

約数和(自身を除く): 25477188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 18787, 37574, 56361, 75148, 93935, 112722, 187870, 206657, 225444, 281805, 375740, 413314, 563610, 619971, 826628, 1033285, 1127220, 1239942, 2066570, 2479884, 3099855, 4133140, 6199710, 12399420]

約数ペア:

[(1, 12399420), (2, 6199710), (3, 4133140), (4, 3099855), (5, 2479884), (6, 2066570), (10, 1239942), (11, 1127220), (12, 1033285), (15, 826628), (20, 619971), (22, 563610), (30, 413314), (33, 375740), (44, 281805), (55, 225444), (60, 206657), (66, 187870), (110, 112722), (132, 93935), (165, 75148), (220, 56361), (330, 37574), (660, 18787)]