20138041784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18926731}}^1$

素因数の和:18926763

約数の個数: 32

約数和(自身を含む): 45424156800

約数和(自身を除く): 25286115016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18926731, 37853462, 75706924, 132487117, 151413848, 264974234, 359607889, 529948468, 719215778, 1059896936, 1438431556, 2517255223, 2876863112, 5034510446, 10069020892, 20138041784]

約数ペア:

[(1, 20138041784), (2, 10069020892), (4, 5034510446), (7, 2876863112), (8, 2517255223), (14, 1438431556), (19, 1059896936), (28, 719215778), (38, 529948468), (56, 359607889), (76, 264974234), (133, 151413848), (152, 132487117), (266, 75706924), (532, 37853462), (1064, 18926731)]