20171816

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8377}}^1$

素因数の和:8433

約数の個数: 32

約数和(自身を含む): 44235840

約数和(自身を除く): 24064024

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8377, 16754, 33508, 58639, 67016, 117278, 234556, 360211, 469112, 720422, 1440844, 2521477, 2881688, 5042954, 10085908, 20171816]

約数ペア:

[(1, 20171816), (2, 10085908), (4, 5042954), (7, 2881688), (8, 2521477), (14, 1440844), (28, 720422), (43, 469112), (56, 360211), (86, 234556), (172, 117278), (301, 67016), (344, 58639), (602, 33508), (1204, 16754), (2408, 8377)]