18020672

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:367

約数の個数: 42

約数和(自身を含む): 37076634

約数和(自身を除く): 19055962

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 293, 496, 586, 961, 992, 1172, 1922, 1984, 2344, 3844, 4688, 7688, 9083, 9376, 15376, 18166, 18752, 30752, 36332, 61504, 72664, 145328, 281573, 290656, 563146, 581312, 1126292, 2252584, 4505168, 9010336, 18020672]

約数ペア:

[(1, 18020672), (2, 9010336), (4, 4505168), (8, 2252584), (16, 1126292), (31, 581312), (32, 563146), (62, 290656), (64, 281573), (124, 145328), (248, 72664), (293, 61504), (496, 36332), (586, 30752), (961, 18752), (992, 18166), (1172, 15376), (1922, 9376), (1984, 9083), (2344, 7688), (3844, 4688)]