18420714

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{78721}}^1$

素因数の和:78742

約数の個数: 24

約数和(自身を含む): 42982212

約数和(自身を除く): 24561498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 78721, 157442, 236163, 472326, 708489, 1023373, 1416978, 2046746, 3070119, 6140238, 9210357, 18420714]

約数ペア:

[(1, 18420714), (2, 9210357), (3, 6140238), (6, 3070119), (9, 2046746), (13, 1416978), (18, 1023373), (26, 708489), (39, 472326), (78, 236163), (117, 157442), (234, 78721)]