18271480

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1559}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 23006120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1559, 2344, 2930, 3118, 5860, 6236, 7795, 11720, 12472, 15590, 31180, 62360, 456787, 913574, 1827148, 2283935, 3654296, 4567870, 9135740, 18271480]

約数ペア:

[(1, 18271480), (2, 9135740), (4, 4567870), (5, 3654296), (8, 2283935), (10, 1827148), (20, 913574), (40, 456787), (293, 62360), (586, 31180), (1172, 15590), (1465, 12472), (1559, 11720), (2344, 7795), (2930, 6236), (3118, 5860)]