18193620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{859}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 51145920

約数和(自身を除く): 32952300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 859, 1059, 1412, 1718, 1765, 2118, 2577, 3436, 3530, 4236, 4295, 5154, 5295, 7060, 8590, 10308, 10590, 12885, 17180, 21180, 25770, 51540, 303227, 606454, 909681, 1212908, 1516135, 1819362, 3032270, 3638724, 4548405, 6064540, 9096810, 18193620]

約数ペア:

[(1, 18193620), (2, 9096810), (3, 6064540), (4, 4548405), (5, 3638724), (6, 3032270), (10, 1819362), (12, 1516135), (15, 1212908), (20, 909681), (30, 606454), (60, 303227), (353, 51540), (706, 25770), (859, 21180), (1059, 17180), (1412, 12885), (1718, 10590), (1765, 10308), (2118, 8590), (2577, 7060), (3436, 5295), (3530, 5154), (4236, 4295)]