19897438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39323}}^1$

素因数の和:39359

約数の個数: 16

約数和(自身を含む): 33975936

約数和(自身を除く): 14078498

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39323, 78646, 432553, 865106, 904429, 1808858, 9948719, 19897438]

約数ペア:

[(1, 19897438), (2, 9948719), (11, 1808858), (22, 904429), (23, 865106), (46, 432553), (253, 78646), (506, 39323)]