18717017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 21855744

約数和(自身を除く): 3138727

約数列:

[1, 11, 17, 101, 187, 991, 1111, 1717, 10901, 16847, 18887, 100091, 185317, 1101001, 1701547, 18717017]

約数ペア:

[(1, 18717017), (11, 1701547), (17, 1101001), (101, 185317), (187, 100091), (991, 18887), (1111, 16847), (1717, 10901)]