18987052

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29483}}^1$

素因数の和:29517

約数の個数: 24

約数和(自身を含む): 39626496

約数和(自身を除く): 20639444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 29483, 58966, 117932, 206381, 412762, 678109, 825524, 1356218, 2712436, 4746763, 9493526, 18987052]

約数ペア:

[(1, 18987052), (2, 9493526), (4, 4746763), (7, 2712436), (14, 1356218), (23, 825524), (28, 678109), (46, 412762), (92, 206381), (161, 117932), (322, 58966), (644, 29483)]