18298539

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15287}}^1$

素因数の和:15319

約数の個数: 24

約数和(自身を含む): 31799040

約数和(自身を除く): 13500501

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15287, 45861, 107009, 137583, 290453, 321027, 871359, 963081, 2033171, 2614077, 6099513, 18298539]

約数ペア:

[(1, 18298539), (3, 6099513), (7, 2614077), (9, 2033171), (19, 963081), (21, 871359), (57, 321027), (63, 290453), (133, 137583), (171, 107009), (399, 45861), (1197, 15287)]