18078889387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{17623}}^1$

素因数の和:17779

約数の個数: 32

約数和(自身を含む): 21033750528

約数和(自身を除く): 2954861141

約数列:

[1, 13, 23, 47, 73, 299, 611, 949, 1081, 1679, 3431, 14053, 17623, 21827, 44603, 78913, 229099, 405329, 828281, 1025869, 1286479, 5269277, 10767653, 16724227, 19050463, 29589017, 60464513, 247656019, 384657221, 786038669, 1390683799, 18078889387]

約数ペア:

[(1, 18078889387), (13, 1390683799), (23, 786038669), (47, 384657221), (73, 247656019), (299, 60464513), (611, 29589017), (949, 19050463), (1081, 16724227), (1679, 10767653), (3431, 5269277), (14053, 1286479), (17623, 1025869), (21827, 828281), (44603, 405329), (78913, 229099)]