18704666

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1069

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 9962854

約数列:

[1, 2, 71, 142, 157, 314, 839, 1678, 11147, 22294, 59569, 119138, 131723, 263446, 9352333, 18704666]

約数ペア:

[(1, 18704666), (2, 9352333), (71, 263446), (142, 131723), (157, 119138), (314, 59569), (839, 22294), (1678, 11147)]