18489493

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 21275136

約数和(自身を除く): 2785643

約数列:

[1, 11, 23, 107, 253, 683, 1177, 2461, 7513, 15709, 27071, 73081, 172799, 803891, 1680863, 18489493]

約数ペア:

[(1, 18489493), (11, 1680863), (23, 803891), (107, 172799), (253, 73081), (683, 27071), (1177, 15709), (2461, 7513)]