19690510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2848

約数の個数: 32

約数和(自身を含む): 40914432

約数和(自身を除く): 21223922

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2731, 3605, 5462, 7210, 13655, 19117, 27310, 38234, 95585, 191170, 281293, 562586, 1406465, 1969051, 2812930, 3938102, 9845255, 19690510]

約数ペア:

[(1, 19690510), (2, 9845255), (5, 3938102), (7, 2812930), (10, 1969051), (14, 1406465), (35, 562586), (70, 281293), (103, 191170), (206, 95585), (515, 38234), (721, 27310), (1030, 19117), (1442, 13655), (2731, 7210), (3605, 5462)]