18180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 55692

約数和(自身を除く): 37512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 18180]

約数ペア:

[(1, 18180), (2, 9090), (3, 6060), (4, 4545), (5, 3636), (6, 3030), (9, 2020), (10, 1818), (12, 1515), (15, 1212), (18, 1010), (20, 909), (30, 606), (36, 505), (45, 404), (60, 303), (90, 202), (101, 180)]