19188730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{174443}}^1$

素因数の和:174461

約数の個数: 16

約数和(自身を含む): 37679904

約数和(自身を除く): 18491174

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 174443, 348886, 872215, 1744430, 1918873, 3837746, 9594365, 19188730]

約数ペア:

[(1, 19188730), (2, 9594365), (5, 3837746), (10, 1918873), (11, 1744430), (22, 872215), (55, 348886), (110, 174443)]