18639992

素因数分解:

$2^3\times 7^3\times {\mathrm{6793}}^1$

素因数の和:6820

約数の個数: 32

約数和(自身を含む): 40764000

約数和(自身を除く): 22124008

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 6793, 13586, 27172, 47551, 54344, 95102, 190204, 332857, 380408, 665714, 1331428, 2329999, 2662856, 4659998, 9319996, 18639992]

約数ペア:

[(1, 18639992), (2, 9319996), (4, 4659998), (7, 2662856), (8, 2329999), (14, 1331428), (28, 665714), (49, 380408), (56, 332857), (98, 190204), (196, 95102), (343, 54344), (392, 47551), (686, 27172), (1372, 13586), (2744, 6793)]