19866636

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2309}}^1$

素因数の和:2558

約数の個数: 36

約数和(自身を含む): 50450400

約数和(自身を除く): 30583764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2309, 2868, 4302, 4618, 6927, 8604, 9236, 13854, 20781, 27708, 41562, 83124, 551851, 1103702, 1655553, 2207404, 3311106, 4966659, 6622212, 9933318, 19866636]

約数ペア:

[(1, 19866636), (2, 9933318), (3, 6622212), (4, 4966659), (6, 3311106), (9, 2207404), (12, 1655553), (18, 1103702), (36, 551851), (239, 83124), (478, 41562), (717, 27708), (956, 20781), (1434, 13854), (2151, 9236), (2309, 8604), (2868, 6927), (4302, 4618)]