19261240

素因数分解:

$2^3\times 5^1\times {\mathrm{481531}}^1$

素因数の和:481542

約数の個数: 16

約数和(自身を含む): 43337880

約数和(自身を除く): 24076640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 481531, 963062, 1926124, 2407655, 3852248, 4815310, 9630620, 19261240]

約数ペア:

[(1, 19261240), (2, 9630620), (4, 4815310), (5, 3852248), (8, 2407655), (10, 1926124), (20, 963062), (40, 481531)]