18275504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2205

約数の個数: 40

約数和(自身を含む): 39080832

約数和(自身を除く): 20805328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2143, 4264, 4286, 8528, 8572, 17144, 27859, 34288, 55718, 87863, 111436, 175726, 222872, 351452, 445744, 702904, 1142219, 1405808, 2284438, 4568876, 9137752, 18275504]

約数ペア:

[(1, 18275504), (2, 9137752), (4, 4568876), (8, 2284438), (13, 1405808), (16, 1142219), (26, 702904), (41, 445744), (52, 351452), (82, 222872), (104, 175726), (164, 111436), (208, 87863), (328, 55718), (533, 34288), (656, 27859), (1066, 17144), (2132, 8572), (2143, 8528), (4264, 4286)]