18947585

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 23706000

約数和(自身を除く): 4758415

約数列:

[1, 5, 29, 145, 149, 745, 877, 4321, 4385, 21605, 25433, 127165, 130673, 653365, 3789517, 18947585]

約数ペア:

[(1, 18947585), (5, 3789517), (29, 653365), (145, 130673), (149, 127165), (745, 25433), (877, 21605), (4321, 4385)]