2019960215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4439473}}^1$

素因数の和:4439498

約数の個数: 16

約数和(自身を含む): 2983326528

約数和(自身を除く): 963366313

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 4439473, 22197365, 31076311, 57713149, 155381555, 288565745, 403992043, 2019960215]

約数ペア:

[(1, 2019960215), (5, 403992043), (7, 288565745), (13, 155381555), (35, 57713149), (65, 31076311), (91, 22197365), (455, 4439473)]