19309240

素因数分解:

$2^3\times 5^1\times {\mathrm{482731}}^1$

素因数の和:482742

約数の個数: 16

約数和(自身を含む): 43445880

約数和(自身を除く): 24136640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 482731, 965462, 1930924, 2413655, 3861848, 4827310, 9654620, 19309240]

約数ペア:

[(1, 19309240), (2, 9654620), (4, 4827310), (5, 3861848), (8, 2413655), (10, 1930924), (20, 965462), (40, 482731)]