19902152

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 38905920

約数和(自身を除く): 19003768

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 947, 1894, 2627, 3788, 5254, 7576, 10508, 21016, 35039, 67237, 70078, 134474, 140156, 268948, 280312, 537896, 2487769, 4975538, 9951076, 19902152]

約数ペア:

[(1, 19902152), (2, 9951076), (4, 4975538), (8, 2487769), (37, 537896), (71, 280312), (74, 268948), (142, 140156), (148, 134474), (284, 70078), (296, 67237), (568, 35039), (947, 21016), (1894, 10508), (2627, 7576), (3788, 5254)]