18168085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 25320960

約数和(自身を除く): 7152875

約数列:

[1, 5, 13, 19, 47, 65, 95, 235, 247, 313, 611, 893, 1235, 1565, 3055, 4069, 4465, 5947, 11609, 14711, 20345, 29735, 58045, 73555, 77311, 191243, 279509, 386555, 956215, 1397545, 3633617, 18168085]

約数ペア:

[(1, 18168085), (5, 3633617), (13, 1397545), (19, 956215), (47, 386555), (65, 279509), (95, 191243), (235, 77311), (247, 73555), (313, 58045), (611, 29735), (893, 20345), (1235, 14711), (1565, 11609), (3055, 5947), (4069, 4465)]