19813882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5393}}^1$

素因数の和:5573

約数の個数: 16

約数和(自身を含む): 32622912

約数和(自身を除く): 12809030

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 5393, 10786, 59323, 118646, 900631, 1801262, 9906941, 19813882]

約数ペア:

[(1, 19813882), (2, 9906941), (11, 1801262), (22, 900631), (167, 118646), (334, 59323), (1837, 10786), (3674, 5393)]