19669533

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 29774976

約数和(自身を除く): 10105443

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 317, 481, 559, 951, 1443, 1591, 1677, 4121, 4773, 11729, 12363, 13631, 20683, 35187, 40893, 62049, 152477, 177203, 457431, 504347, 531609, 1513041, 6556511, 19669533]

約数ペア:

[(1, 19669533), (3, 6556511), (13, 1513041), (37, 531609), (39, 504347), (43, 457431), (111, 177203), (129, 152477), (317, 62049), (481, 40893), (559, 35187), (951, 20683), (1443, 13631), (1591, 12363), (1677, 11729), (4121, 4773)]