20189726557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3881}}^1\times {\mathrm{5197}}^1$

素因数の和:9109

約数の個数: 32

約数和(自身を含む): 27120086784

約数和(自身を除く): 6930360227

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 3881, 5197, 27167, 36379, 42691, 50453, 57167, 67561, 298837, 353171, 400169, 472927, 554983, 743171, 3884881, 5202197, 20169557, 141186899, 221865127, 262204241, 1553055889, 1835429687, 2884246651, 20189726557]

約数ペア:

[(1, 20189726557), (7, 2884246651), (11, 1835429687), (13, 1553055889), (77, 262204241), (91, 221865127), (143, 141186899), (1001, 20169557), (3881, 5202197), (5197, 3884881), (27167, 743171), (36379, 554983), (42691, 472927), (50453, 400169), (57167, 353171), (67561, 298837)]