19706902

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1223

約数の個数: 16

約数和(自身を含む): 30225312

約数和(自身を除く): 10518410

約数列:

[1, 2, 71, 137, 142, 274, 1013, 2026, 9727, 19454, 71923, 138781, 143846, 277562, 9853451, 19706902]

約数ペア:

[(1, 19706902), (2, 9853451), (71, 277562), (137, 143846), (142, 138781), (274, 71923), (1013, 19454), (2026, 9727)]