19239418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{3251}}^1$

素因数の和:3533

約数の個数: 16

約数和(自身を含む): 31609440

約数和(自身を除く): 12370022

約数列:

[1, 2, 11, 22, 269, 538, 2959, 3251, 5918, 6502, 35761, 71522, 874519, 1749038, 9619709, 19239418]

約数ペア:

[(1, 19239418), (2, 9619709), (11, 1749038), (22, 874519), (269, 71522), (538, 35761), (2959, 6502), (3251, 5918)]