19648855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 25087104

約数和(自身を除く): 5438249

約数列:

[1, 5, 17, 85, 271, 853, 1355, 4265, 4607, 14501, 23035, 72505, 231163, 1155815, 3929771, 19648855]

約数ペア:

[(1, 19648855), (5, 3929771), (17, 1155815), (85, 231163), (271, 72505), (853, 23035), (1355, 14501), (4265, 4607)]