72019519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 89596800

約数和(自身を除く): 17577281

約数列:

[1, 11, 13, 19, 143, 169, 209, 247, 1859, 2039, 2717, 3211, 22429, 26507, 35321, 38741, 291577, 344591, 426151, 503633, 3790501, 5539963, 6547229, 72019519]

約数ペア:

[(1, 72019519), (11, 6547229), (13, 5539963), (19, 3790501), (143, 503633), (169, 426151), (209, 344591), (247, 291577), (1859, 38741), (2039, 35321), (2717, 26507), (3211, 22429)]