18354874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21001}}^1$

素因数の和:21045

約数の個数: 16

約数和(自身を含む): 30242880

約数和(自身を除く): 11888006

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21001, 42002, 399019, 483023, 798038, 966046, 9177437, 18354874]

約数ペア:

[(1, 18354874), (2, 9177437), (19, 966046), (23, 798038), (38, 483023), (46, 399019), (437, 42002), (874, 21001)]