18916830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210187}}^1$

素因数の和:210200

約数の個数: 24

約数和(自身を含む): 49183992

約数和(自身を除く): 30267162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210187, 420374, 630561, 1050935, 1261122, 1891683, 2101870, 3152805, 3783366, 6305610, 9458415, 18916830]

約数ペア:

[(1, 18916830), (2, 9458415), (3, 6305610), (5, 3783366), (6, 3152805), (9, 2101870), (10, 1891683), (15, 1261122), (18, 1050935), (30, 630561), (45, 420374), (90, 210187)]