19868186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 14860774

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1087, 1406, 2174, 9139, 14131, 18278, 20653, 28262, 40219, 41306, 80438, 268489, 522847, 536978, 764161, 1045694, 1528322, 9934093, 19868186]

約数ペア:

[(1, 19868186), (2, 9934093), (13, 1528322), (19, 1045694), (26, 764161), (37, 536978), (38, 522847), (74, 268489), (247, 80438), (481, 41306), (494, 40219), (703, 28262), (962, 20653), (1087, 18278), (1406, 14131), (2174, 9139)]