19924568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80341}}^1$

素因数の和:80378

約数の個数: 16

約数和(自身を含む): 38564160

約数和(自身を除く): 18639592

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80341, 160682, 321364, 642728, 2490571, 4981142, 9962284, 19924568]

約数ペア:

[(1, 19924568), (2, 9962284), (4, 4981142), (8, 2490571), (31, 642728), (62, 321364), (124, 160682), (248, 80341)]