19144994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4373}}^1$

素因数の和:4585

約数の個数: 16

約数和(自身を含む): 31492800

約数和(自身を除く): 12347806

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4373, 4378, 8746, 48103, 96206, 870227, 1740454, 9572497, 19144994]

約数ペア:

[(1, 19144994), (2, 9572497), (11, 1740454), (22, 870227), (199, 96206), (398, 48103), (2189, 8746), (4373, 4378)]