19401382

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 20013434

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 881, 1001, 1573, 1694, 1762, 2002, 3146, 6167, 9691, 11011, 11453, 12334, 19382, 22022, 22906, 67837, 80171, 106601, 125983, 135674, 160342, 213202, 251966, 746207, 881881, 1385813, 1492414, 1763762, 2771626, 9700691, 19401382]

約数ペア:

[(1, 19401382), (2, 9700691), (7, 2771626), (11, 1763762), (13, 1492414), (14, 1385813), (22, 881881), (26, 746207), (77, 251966), (91, 213202), (121, 160342), (143, 135674), (154, 125983), (182, 106601), (242, 80171), (286, 67837), (847, 22906), (881, 22022), (1001, 19382), (1573, 12334), (1694, 11453), (1762, 11011), (2002, 9691), (3146, 6167)]