18905744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8263}}^1$

素因数の和:8295

約数の個数: 40

約数和(自身を含む): 43038912

約数和(自身を除く): 24133168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8263, 16526, 33052, 66104, 90893, 107419, 132208, 181786, 214838, 363572, 429676, 727144, 859352, 1181609, 1454288, 1718704, 2363218, 4726436, 9452872, 18905744]

約数ペア:

[(1, 18905744), (2, 9452872), (4, 4726436), (8, 2363218), (11, 1718704), (13, 1454288), (16, 1181609), (22, 859352), (26, 727144), (44, 429676), (52, 363572), (88, 214838), (104, 181786), (143, 132208), (176, 107419), (208, 90893), (286, 66104), (572, 33052), (1144, 16526), (2288, 8263)]