19414480

素因数分解:

$2^4\times 5^1\times {\mathrm{242681}}^1$

素因数の和:242694

約数の個数: 20

約数和(自身を含む): 45138852

約数和(自身を除く): 25724372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242681, 485362, 970724, 1213405, 1941448, 2426810, 3882896, 4853620, 9707240, 19414480]

約数ペア:

[(1, 19414480), (2, 9707240), (4, 4853620), (5, 3882896), (8, 2426810), (10, 1941448), (16, 1213405), (20, 970724), (40, 485362), (80, 242681)]