18966520

素因数分解:

$2^3\times 5^1\times {\mathrm{474163}}^1$

素因数の和:474174

約数の個数: 16

約数和(自身を含む): 42674760

約数和(自身を除く): 23708240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 474163, 948326, 1896652, 2370815, 3793304, 4741630, 9483260, 18966520]

約数ペア:

[(1, 18966520), (2, 9483260), (4, 4741630), (5, 3793304), (8, 2370815), (10, 1896652), (20, 948326), (40, 474163)]