19191035

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 23677920

約数和(自身を除く): 4486885

約数列:

[1, 5, 53, 139, 265, 521, 695, 2605, 7367, 27613, 36835, 72419, 138065, 362095, 3838207, 19191035]

約数ペア:

[(1, 19191035), (5, 3838207), (53, 362095), (139, 138065), (265, 72419), (521, 36835), (695, 27613), (2605, 7367)]