19985488

素因数分解:

$2^4\times {\mathrm{947}}^1\times {\mathrm{1319}}^1$

素因数の和:2274

約数の個数: 20

約数和(自身を含む): 38792160

約数和(自身を除く): 18806672

約数列:

[1, 2, 4, 8, 16, 947, 1319, 1894, 2638, 3788, 5276, 7576, 10552, 15152, 21104, 1249093, 2498186, 4996372, 9992744, 19985488]

約数ペア:

[(1, 19985488), (2, 9992744), (4, 4996372), (8, 2498186), (16, 1249093), (947, 21104), (1319, 15152), (1894, 10552), (2638, 7576), (3788, 5276)]