20181118

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 31154256

約数和(自身を除く): 10973138

約数列:

[1, 2, 61, 83, 122, 166, 1993, 3986, 5063, 10126, 121573, 165419, 243146, 330838, 10090559, 20181118]

約数ペア:

[(1, 20181118), (2, 10090559), (61, 330838), (83, 243146), (122, 165419), (166, 121573), (1993, 10126), (3986, 5063)]