19905314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15656926

約数列:

[1, 2, 11, 13, 22, 26, 79, 143, 158, 286, 869, 881, 1027, 1738, 1762, 2054, 9691, 11297, 11453, 19382, 22594, 22906, 69599, 125983, 139198, 251966, 765589, 904787, 1531178, 1809574, 9952657, 19905314]

約数ペア:

[(1, 19905314), (2, 9952657), (11, 1809574), (13, 1531178), (22, 904787), (26, 765589), (79, 251966), (143, 139198), (158, 125983), (286, 69599), (869, 22906), (881, 22594), (1027, 19382), (1738, 11453), (1762, 11297), (2054, 9691)]