18888793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12911}}^1$

素因数の和:12948

約数の個数: 16

約数和(自身を含む): 24791040

約数和(自身を除く): 5902247

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12911, 90377, 142021, 245309, 994147, 1717163, 2698399, 18888793]

約数ペア:

[(1, 18888793), (7, 2698399), (11, 1717163), (19, 994147), (77, 245309), (133, 142021), (209, 90377), (1463, 12911)]