19687620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328127}}^1$

素因数の和:328139

約数の個数: 24

約数和(自身を含む): 55125504

約数和(自身を除く): 35437884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328127, 656254, 984381, 1312508, 1640635, 1968762, 3281270, 3937524, 4921905, 6562540, 9843810, 19687620]

約数ペア:

[(1, 19687620), (2, 9843810), (3, 6562540), (4, 4921905), (5, 3937524), (6, 3281270), (10, 1968762), (12, 1640635), (15, 1312508), (20, 984381), (30, 656254), (60, 328127)]