18368972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 34003200

約数和(自身を除く): 15634228

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 919, 1052, 1838, 3676, 4997, 9994, 17461, 19988, 34922, 69844, 241697, 483394, 966788, 4592243, 9184486, 18368972]

約数ペア:

[(1, 18368972), (2, 9184486), (4, 4592243), (19, 966788), (38, 483394), (76, 241697), (263, 69844), (526, 34922), (919, 19988), (1052, 17461), (1838, 9994), (3676, 4997)]