19429240

素因数分解:

$2^3\times 5^1\times {\mathrm{485731}}^1$

素因数の和:485742

約数の個数: 16

約数和(自身を含む): 43715880

約数和(自身を除く): 24286640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485731, 971462, 1942924, 2428655, 3885848, 4857310, 9714620, 19429240]

約数ペア:

[(1, 19429240), (2, 9714620), (4, 4857310), (5, 3885848), (8, 2428655), (10, 1942924), (20, 971462), (40, 485731)]