19761385

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 8688407

約数列:

[1, 5, 7, 35, 41, 47, 205, 235, 287, 293, 329, 1435, 1465, 1645, 1927, 2051, 9635, 10255, 12013, 13489, 13771, 60065, 67445, 68855, 84091, 96397, 420455, 481985, 564611, 2823055, 3952277, 19761385]

約数ペア:

[(1, 19761385), (5, 3952277), (7, 2823055), (35, 564611), (41, 481985), (47, 420455), (205, 96397), (235, 84091), (287, 68855), (293, 67445), (329, 60065), (1435, 13771), (1465, 13489), (1645, 12013), (1927, 10255), (2051, 9635)]