19798634

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 30580416

約数和(自身を除く): 10781782

約数列:

[1, 2, 67, 71, 134, 142, 2081, 4162, 4757, 9514, 139427, 147751, 278854, 295502, 9899317, 19798634]

約数ペア:

[(1, 19798634), (2, 9899317), (67, 295502), (71, 278854), (134, 147751), (142, 139427), (2081, 9514), (4162, 4757)]