19884501

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8093}}^1$

素因数の和:8122

約数の個数: 32

約数和(自身を含む): 36261120

約数和(自身を除く): 16376619

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8093, 24279, 56651, 72837, 105209, 169953, 218511, 315627, 509859, 736463, 946881, 1529577, 2209389, 2840643, 6628167, 19884501]

約数ペア:

[(1, 19884501), (3, 6628167), (7, 2840643), (9, 2209389), (13, 1529577), (21, 946881), (27, 736463), (39, 509859), (63, 315627), (91, 218511), (117, 169953), (189, 105209), (273, 72837), (351, 56651), (819, 24279), (2457, 8093)]