18422480

素因数分解:

$2^4\times 5^1\times {\mathrm{230281}}^1$

素因数の和:230294

約数の個数: 20

約数和(自身を含む): 42832452

約数和(自身を除く): 24409972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230281, 460562, 921124, 1151405, 1842248, 2302810, 3684496, 4605620, 9211240, 18422480]

約数ペア:

[(1, 18422480), (2, 9211240), (4, 4605620), (5, 3684496), (8, 2302810), (10, 1842248), (16, 1151405), (20, 921124), (40, 460562), (80, 230281)]