19180538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 33445440

約数和(自身を除く): 14264902

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 947, 1066, 1558, 1894, 10127, 12311, 17993, 20254, 24622, 35986, 38827, 77654, 233909, 467818, 504751, 737713, 1009502, 1475426, 9590269, 19180538]

約数ペア:

[(1, 19180538), (2, 9590269), (13, 1475426), (19, 1009502), (26, 737713), (38, 504751), (41, 467818), (82, 233909), (247, 77654), (494, 38827), (533, 35986), (779, 24622), (947, 20254), (1066, 17993), (1558, 12311), (1894, 10127)]