18693661

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 22429440

約数和(自身を除く): 3735779

約数列:

[1, 7, 29, 71, 203, 497, 1297, 2059, 9079, 14413, 37613, 92087, 263291, 644609, 2670523, 18693661]

約数ペア:

[(1, 18693661), (7, 2670523), (29, 644609), (71, 263291), (203, 92087), (497, 37613), (1297, 14413), (2059, 9079)]