19963658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 36874656

約数和(自身を除く): 16910998

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 83, 143, 166, 286, 319, 377, 638, 754, 841, 913, 1079, 1682, 1826, 2158, 2407, 4147, 4814, 8294, 9251, 10933, 11869, 18502, 21866, 23738, 26477, 31291, 52954, 62582, 69803, 120263, 139606, 240526, 344201, 688402, 767833, 907439, 1535666, 1814878, 9981829, 19963658]

約数ペア:

[(1, 19963658), (2, 9981829), (11, 1814878), (13, 1535666), (22, 907439), (26, 767833), (29, 688402), (58, 344201), (83, 240526), (143, 139606), (166, 120263), (286, 69803), (319, 62582), (377, 52954), (638, 31291), (754, 26477), (841, 23738), (913, 21866), (1079, 18502), (1682, 11869), (1826, 10933), (2158, 9251), (2407, 8294), (4147, 4814)]