19943782

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 30425472

約数和(自身を除く): 10481690

約数列:

[1, 2, 97, 194, 223, 446, 461, 922, 21631, 43262, 44717, 89434, 102803, 205606, 9971891, 19943782]

約数ペア:

[(1, 19943782), (2, 9971891), (97, 205606), (194, 102803), (223, 89434), (446, 44717), (461, 43262), (922, 21631)]