19937762

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9239}}^1$

素因数の和:9337

約数の個数: 16

約数和(自身を含む): 32598720

約数和(自身を除く): 12660958

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 9239, 18478, 120107, 240214, 766837, 1533674, 9968881, 19937762]

約数ペア:

[(1, 19937762), (2, 9968881), (13, 1533674), (26, 766837), (83, 240214), (166, 120107), (1079, 18478), (2158, 9239)]