19815115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2063}}^1$

素因数の和:2198

約数の個数: 16

約数和(自身を含む): 25411968

約数和(自身を除く): 5596853

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2063, 9605, 10315, 35071, 175355, 233119, 1165595, 3963023, 19815115]

約数ペア:

[(1, 19815115), (5, 3963023), (17, 1165595), (85, 233119), (113, 175355), (565, 35071), (1921, 10315), (2063, 9605)]