19897190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68611}}^1$

素因数の和:68647

約数の個数: 16

約数和(自身を含む): 37050480

約数和(自身を除く): 17153290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68611, 137222, 343055, 686110, 1989719, 3979438, 9948595, 19897190]

約数ペア:

[(1, 19897190), (2, 9948595), (5, 3979438), (10, 1989719), (29, 686110), (58, 343055), (145, 137222), (290, 68611)]