18888974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{8753}}^1$

素因数の和:8851

約数の個数: 16

約数和(自身を含む): 30884112

約数和(自身を除く): 11995138

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 8753, 17506, 113789, 227578, 726499, 1452998, 9444487, 18888974]

約数ペア:

[(1, 18888974), (2, 9444487), (13, 1452998), (26, 726499), (83, 227578), (166, 113789), (1079, 17506), (2158, 8753)]