19116920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2087}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 43221600

約数和(自身を除く): 24104680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2087, 2290, 4174, 4580, 8348, 9160, 10435, 16696, 20870, 41740, 83480, 477923, 955846, 1911692, 2389615, 3823384, 4779230, 9558460, 19116920]

約数ペア:

[(1, 19116920), (2, 9558460), (4, 4779230), (5, 3823384), (8, 2389615), (10, 1911692), (20, 955846), (40, 477923), (229, 83480), (458, 41740), (916, 20870), (1145, 16696), (1832, 10435), (2087, 9160), (2290, 8348), (4174, 4580)]