19721912

素因数分解:

$2^3\times 7^2\times {\mathrm{50311}}^1$

素因数の和:50331

約数の個数: 24

約数和(自身を含む): 43016760

約数和(自身を除く): 23294848

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 50311, 100622, 201244, 352177, 402488, 704354, 1408708, 2465239, 2817416, 4930478, 9860956, 19721912]

約数ペア:

[(1, 19721912), (2, 9860956), (4, 4930478), (7, 2817416), (8, 2465239), (14, 1408708), (28, 704354), (49, 402488), (56, 352177), (98, 201244), (196, 100622), (392, 50311)]