19620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 60060

約数和(自身を除く): 40440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620]

約数ペア:

[(1, 19620), (2, 9810), (3, 6540), (4, 4905), (5, 3924), (6, 3270), (9, 2180), (10, 1962), (12, 1635), (15, 1308), (18, 1090), (20, 981), (30, 654), (36, 545), (45, 436), (60, 327), (90, 218), (109, 180)]