19849490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104471}}^1$

素因数の和:104497

約数の個数: 16

約数和(自身を含む): 37609920

約数和(自身を除く): 17760430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104471, 208942, 522355, 1044710, 1984949, 3969898, 9924745, 19849490]

約数ペア:

[(1, 19849490), (2, 9924745), (5, 3969898), (10, 1984949), (19, 1044710), (38, 522355), (95, 208942), (190, 104471)]