19447240

素因数分解:

$2^3\times 5^1\times {\mathrm{486181}}^1$

素因数の和:486192

約数の個数: 16

約数和(自身を含む): 43756380

約数和(自身を除く): 24309140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486181, 972362, 1944724, 2430905, 3889448, 4861810, 9723620, 19447240]

約数ペア:

[(1, 19447240), (2, 9723620), (4, 4861810), (5, 3889448), (8, 2430905), (10, 1944724), (20, 972362), (40, 486181)]