19442005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2341}}^1$

素因数の和:2508

約数の個数: 16

約数和(自身を含む): 25630848

約数和(自身を除く): 6188843

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2341, 8305, 11705, 25751, 128755, 353491, 1767455, 3888401, 19442005]

約数ペア:

[(1, 19442005), (5, 3888401), (11, 1767455), (55, 353491), (151, 128755), (755, 25751), (1661, 11705), (2341, 8305)]