2019211505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1\times {\mathrm{6389}}^1$

素因数の和:8464

約数の個数: 16

約数和(自身を含む): 2502835200

約数和(自身を除く): 483623695

約数列:

[1, 5, 31, 155, 2039, 6389, 10195, 31945, 63209, 198059, 316045, 990295, 13027171, 65135855, 403842301, 2019211505]

約数ペア:

[(1, 2019211505), (5, 403842301), (31, 65135855), (155, 13027171), (2039, 990295), (6389, 316045), (10195, 198059), (31945, 63209)]