19248859

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 22543360

約数和(自身を除く): 3294501

約数列:

[1, 7, 73, 139, 271, 511, 973, 1897, 10147, 19783, 37669, 71029, 138481, 263683, 2749837, 19248859]

約数ペア:

[(1, 19248859), (7, 2749837), (73, 263683), (139, 138481), (271, 71029), (511, 37669), (973, 19783), (1897, 10147)]