19299764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{438631}}^1$

素因数の和:438646

約数の個数: 12

約数和(自身を含む): 36845088

約数和(自身を除く): 17545324

約数列:

[1, 2, 4, 11, 22, 44, 438631, 877262, 1754524, 4824941, 9649882, 19299764]

約数ペア:

[(1, 19299764), (2, 9649882), (4, 4824941), (11, 1754524), (22, 877262), (44, 438631)]