18215402

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9209}}^1$

素因数の和:9277

約数の個数: 16

約数和(自身を含む): 29177280

約数和(自身を除く): 10961878

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9209, 18418, 211807, 395987, 423614, 791974, 9107701, 18215402]

約数ペア:

[(1, 18215402), (2, 9107701), (23, 791974), (43, 423614), (46, 395987), (86, 211807), (989, 18418), (1978, 9209)]