18812018

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1177

約数の個数: 16

約数和(自身を含む): 28854144

約数和(自身を除く): 10042126

約数列:

[1, 2, 71, 137, 142, 274, 967, 1934, 9727, 19454, 68657, 132479, 137314, 264958, 9406009, 18812018]

約数ペア:

[(1, 18812018), (2, 9406009), (71, 264958), (137, 137314), (142, 132479), (274, 68657), (967, 19454), (1934, 9727)]