19699438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10061}}^1$

素因数の和:10163

約数の個数: 16

約数和(自身を含む): 32600880

約数和(自身を除く): 12901442

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10061, 20122, 110671, 221342, 895429, 1790858, 9849719, 19699438]

約数ペア:

[(1, 19699438), (2, 9849719), (11, 1790858), (22, 895429), (89, 221342), (178, 110671), (979, 20122), (1958, 10061)]