18064072

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 19882808

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 431, 676, 806, 862, 1352, 1612, 1724, 3224, 3448, 5239, 5603, 10478, 11206, 13361, 20956, 22412, 26722, 41912, 44824, 53444, 72839, 106888, 145678, 173693, 291356, 347386, 582712, 694772, 1389544, 2258009, 4516018, 9032036, 18064072]

約数ペア:

[(1, 18064072), (2, 9032036), (4, 4516018), (8, 2258009), (13, 1389544), (26, 694772), (31, 582712), (52, 347386), (62, 291356), (104, 173693), (124, 145678), (169, 106888), (248, 72839), (338, 53444), (403, 44824), (431, 41912), (676, 26722), (806, 22412), (862, 20956), (1352, 13361), (1612, 11206), (1724, 10478), (3224, 5603), (3448, 5239)]