18941080

素因数分解:

$2^3\times 5^1\times {\mathrm{473527}}^1$

素因数の和:473538

約数の個数: 16

約数和(自身を含む): 42617520

約数和(自身を除く): 23676440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 473527, 947054, 1894108, 2367635, 3788216, 4735270, 9470540, 18941080]

約数ペア:

[(1, 18941080), (2, 9470540), (4, 4735270), (5, 3788216), (8, 2367635), (10, 1894108), (20, 947054), (40, 473527)]