19114564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 40578048

約数和(自身を除く): 21463484

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 67, 92, 134, 161, 268, 322, 443, 469, 644, 886, 938, 1541, 1772, 1876, 3082, 3101, 6164, 6202, 10189, 10787, 12404, 20378, 21574, 29681, 40756, 43148, 59362, 71323, 118724, 142646, 207767, 285292, 415534, 682663, 831068, 1365326, 2730652, 4778641, 9557282, 19114564]

約数ペア:

[(1, 19114564), (2, 9557282), (4, 4778641), (7, 2730652), (14, 1365326), (23, 831068), (28, 682663), (46, 415534), (67, 285292), (92, 207767), (134, 142646), (161, 118724), (268, 71323), (322, 59362), (443, 43148), (469, 40756), (644, 29681), (886, 21574), (938, 20378), (1541, 12404), (1772, 10787), (1876, 10189), (3082, 6202), (3101, 6164)]