19484270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2237}}^1$

素因数の和:2324

約数の個数: 32

約数和(自身を含む): 38350368

約数和(自身を除く): 18866098

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2237, 4355, 4474, 8710, 11185, 22370, 29081, 58162, 145405, 149879, 290810, 299758, 749395, 1498790, 1948427, 3896854, 9742135, 19484270]

約数ペア:

[(1, 19484270), (2, 9742135), (5, 3896854), (10, 1948427), (13, 1498790), (26, 749395), (65, 299758), (67, 290810), (130, 149879), (134, 145405), (335, 58162), (670, 29081), (871, 22370), (1742, 11185), (2237, 8710), (4355, 4474)]