19111388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 34633200

約数和(自身を除く): 15521812

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 929, 1858, 3716, 5143, 10286, 20572, 34373, 68746, 129131, 137492, 258262, 516524, 4777847, 9555694, 19111388]

約数ペア:

[(1, 19111388), (2, 9555694), (4, 4777847), (37, 516524), (74, 258262), (139, 137492), (148, 129131), (278, 68746), (556, 34373), (929, 20572), (1858, 10286), (3716, 5143)]