19990322495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27958493}}^1$

素因数の和:27958522

約数の個数: 16

約数和(自身を含む): 28182161952

約数和(自身を除く): 8191839457

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27958493, 139792465, 307543423, 363460409, 1537717115, 1817302045, 3998064499, 19990322495]

約数ペア:

[(1, 19990322495), (5, 3998064499), (11, 1817302045), (13, 1537717115), (55, 363460409), (65, 307543423), (143, 139792465), (715, 27958493)]