18700022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22973}}^1$

素因数の和:23023

約数の個数: 16

約数和(自身を含む): 31428432

約数和(自身を除く): 12728410

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22973, 45946, 252703, 505406, 850001, 1700002, 9350011, 18700022]

約数ペア:

[(1, 18700022), (2, 9350011), (11, 1700002), (22, 850001), (37, 505406), (74, 252703), (407, 45946), (814, 22973)]