19983944

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 18429496

約数列:

[1, 2, 4, 8, 71, 142, 151, 233, 284, 302, 466, 568, 604, 932, 1208, 1864, 10721, 16543, 21442, 33086, 35183, 42884, 66172, 70366, 85768, 132344, 140732, 281464, 2497993, 4995986, 9991972, 19983944]

約数ペア:

[(1, 19983944), (2, 9991972), (4, 4995986), (8, 2497993), (71, 281464), (142, 140732), (151, 132344), (233, 85768), (284, 70366), (302, 66172), (466, 42884), (568, 35183), (604, 33086), (932, 21442), (1208, 16543), (1864, 10721)]