18840660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1627}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 53059776

約数和(自身を除く): 34219116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1627, 1930, 2316, 2895, 3254, 3860, 4881, 5790, 6508, 8135, 9762, 11580, 16270, 19524, 24405, 32540, 48810, 97620, 314011, 628022, 942033, 1256044, 1570055, 1884066, 3140110, 3768132, 4710165, 6280220, 9420330, 18840660]

約数ペア:

[(1, 18840660), (2, 9420330), (3, 6280220), (4, 4710165), (5, 3768132), (6, 3140110), (10, 1884066), (12, 1570055), (15, 1256044), (20, 942033), (30, 628022), (60, 314011), (193, 97620), (386, 48810), (579, 32540), (772, 24405), (965, 19524), (1158, 16270), (1627, 11580), (1930, 9762), (2316, 8135), (2895, 6508), (3254, 5790), (3860, 4881)]