20191530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1499}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 48600000

約数和(自身を除く): 28408470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1499, 2245, 2694, 2998, 4490, 4497, 6735, 7495, 8994, 13470, 14990, 22485, 44970, 673051, 1346102, 2019153, 3365255, 4038306, 6730510, 10095765, 20191530]

約数ペア:

[(1, 20191530), (2, 10095765), (3, 6730510), (5, 4038306), (6, 3365255), (10, 2019153), (15, 1346102), (30, 673051), (449, 44970), (898, 22485), (1347, 14990), (1499, 13470), (2245, 8994), (2694, 7495), (2998, 6735), (4490, 4497)]