18425240

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{769}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 23154760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 769, 1198, 1538, 2396, 2995, 3076, 3845, 4792, 5990, 6152, 7690, 11980, 15380, 23960, 30760, 460631, 921262, 1842524, 2303155, 3685048, 4606310, 9212620, 18425240]

約数ペア:

[(1, 18425240), (2, 9212620), (4, 4606310), (5, 3685048), (8, 2303155), (10, 1842524), (20, 921262), (40, 460631), (599, 30760), (769, 23960), (1198, 15380), (1538, 11980), (2396, 7690), (2995, 6152), (3076, 5990), (3845, 4792)]