18919402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29287}}^1$

素因数の和:29325

約数の個数: 16

約数和(自身を含む): 31631040

約数和(自身を除く): 12711638

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 29287, 58574, 497879, 556453, 995758, 1112906, 9459701, 18919402]

約数ペア:

[(1, 18919402), (2, 9459701), (17, 1112906), (19, 995758), (34, 556453), (38, 497879), (323, 58574), (646, 29287)]