18227978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1993}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 29072520

約数和(自身を除く): 10844542

約数列:

[1, 2, 17, 34, 269, 538, 1993, 3986, 4573, 9146, 33881, 67762, 536117, 1072234, 9113989, 18227978]

約数ペア:

[(1, 18227978), (2, 9113989), (17, 1072234), (34, 536117), (269, 67762), (538, 33881), (1993, 9146), (3986, 4573)]