19963278

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4217}}^1$

素因数の和:4488

約数の個数: 24

約数和(自身を含む): 43428528

約数和(自身を除く): 23465250

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4217, 4734, 8434, 12651, 25302, 37953, 75906, 1109071, 2218142, 3327213, 6654426, 9981639, 19963278]

約数ペア:

[(1, 19963278), (2, 9981639), (3, 6654426), (6, 3327213), (9, 2218142), (18, 1109071), (263, 75906), (526, 37953), (789, 25302), (1578, 12651), (2367, 8434), (4217, 4734)]