19011118

素因数分解:

$2^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 40

約数和(自身を含む): 34485912

約数和(自身を除く): 15474794

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 107, 214, 259, 343, 518, 686, 749, 1498, 1813, 2401, 3626, 3959, 4802, 5243, 7918, 10486, 12691, 25382, 27713, 36701, 55426, 73402, 88837, 177674, 193991, 256907, 387982, 513814, 1357937, 2715874, 9505559, 19011118]

約数ペア:

[(1, 19011118), (2, 9505559), (7, 2715874), (14, 1357937), (37, 513814), (49, 387982), (74, 256907), (98, 193991), (107, 177674), (214, 88837), (259, 73402), (343, 55426), (518, 36701), (686, 27713), (749, 25382), (1498, 12691), (1813, 10486), (2401, 7918), (3626, 5243), (3959, 4802)]