19668656

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1163}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 43878144

約数和(自身を除く): 24209488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1163, 1208, 2114, 2326, 2416, 4228, 4652, 8141, 8456, 9304, 16282, 16912, 18608, 32564, 65128, 130256, 175613, 351226, 702452, 1229291, 1404904, 2458582, 2809808, 4917164, 9834328, 19668656]

約数ペア:

[(1, 19668656), (2, 9834328), (4, 4917164), (7, 2809808), (8, 2458582), (14, 1404904), (16, 1229291), (28, 702452), (56, 351226), (112, 175613), (151, 130256), (302, 65128), (604, 32564), (1057, 18608), (1163, 16912), (1208, 16282), (2114, 9304), (2326, 8456), (2416, 8141), (4228, 4652)]