19953494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5431}}^1$

素因数の和:5611

約数の個数: 16

約数和(自身を含む): 32852736

約数和(自身を除く): 12899242

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 5431, 10862, 59741, 119482, 906977, 1813954, 9976747, 19953494]

約数ペア:

[(1, 19953494), (2, 9976747), (11, 1813954), (22, 906977), (167, 119482), (334, 59741), (1837, 10862), (3674, 5431)]