19715982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 46698960

約数和(自身を除く): 26982978

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2089, 3146, 4178, 4719, 6267, 9438, 12534, 22979, 27157, 45958, 54314, 68937, 81471, 137874, 162942, 252769, 298727, 505538, 597454, 758307, 896181, 1516614, 1792362, 3285997, 6571994, 9857991, 19715982]

約数ペア:

[(1, 19715982), (2, 9857991), (3, 6571994), (6, 3285997), (11, 1792362), (13, 1516614), (22, 896181), (26, 758307), (33, 597454), (39, 505538), (66, 298727), (78, 252769), (121, 162942), (143, 137874), (242, 81471), (286, 68937), (363, 54314), (429, 45958), (726, 27157), (858, 22979), (1573, 12534), (2089, 9438), (3146, 6267), (4178, 4719)]