19211095

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 24338880

約数和(自身を除く): 5127785

約数列:

[1, 5, 23, 89, 115, 445, 1877, 2047, 9385, 10235, 43171, 167053, 215855, 835265, 3842219, 19211095]

約数ペア:

[(1, 19211095), (5, 3842219), (23, 835265), (89, 215855), (115, 167053), (445, 43171), (1877, 10235), (2047, 9385)]