19661008

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4373}}^1$

素因数の和:4662

約数の個数: 20

約数和(自身を含む): 38237508

約数和(自身を除く): 18576500

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4373, 4496, 8746, 17492, 34984, 69968, 1228813, 2457626, 4915252, 9830504, 19661008]

約数ペア:

[(1, 19661008), (2, 9830504), (4, 4915252), (8, 2457626), (16, 1228813), (281, 69968), (562, 34984), (1124, 17492), (2248, 8746), (4373, 4496)]