18870238

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7817}}^1$

素因数の和:7907

約数の個数: 16

約数和(自身を含む): 30396384

約数和(自身を除く): 11526146

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 7817, 15634, 132889, 265778, 555007, 1110014, 9435119, 18870238]

約数ペア:

[(1, 18870238), (2, 9435119), (17, 1110014), (34, 555007), (71, 265778), (142, 132889), (1207, 15634), (2414, 7817)]