2019901585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{301703}}^1$

素因数の和:301824

約数の個数: 16

約数和(自身を含む): 2635686144

約数和(自身を除く): 615784559

約数列:

[1, 5, 13, 65, 103, 515, 1339, 6695, 301703, 1508515, 3922139, 19610695, 31075409, 155377045, 403980317, 2019901585]

約数ペア:

[(1, 2019901585), (5, 403980317), (13, 155377045), (65, 31075409), (103, 19610695), (515, 3922139), (1339, 1508515), (6695, 301703)]