18976740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{881}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 34366620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 881, 1077, 1436, 1762, 1795, 2154, 2643, 3524, 3590, 4308, 4405, 5286, 5385, 7180, 8810, 10572, 10770, 13215, 17620, 21540, 26430, 52860, 316279, 632558, 948837, 1265116, 1581395, 1897674, 3162790, 3795348, 4744185, 6325580, 9488370, 18976740]

約数ペア:

[(1, 18976740), (2, 9488370), (3, 6325580), (4, 4744185), (5, 3795348), (6, 3162790), (10, 1897674), (12, 1581395), (15, 1265116), (20, 948837), (30, 632558), (60, 316279), (359, 52860), (718, 26430), (881, 21540), (1077, 17620), (1436, 13215), (1762, 10770), (1795, 10572), (2154, 8810), (2643, 7180), (3524, 5385), (3590, 5286), (4308, 4405)]