18240365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 26078976

約数和(自身を除く): 7838611

約数列:

[1, 5, 11, 13, 55, 65, 97, 143, 263, 485, 715, 1067, 1261, 1315, 2893, 3419, 5335, 6305, 13871, 14465, 17095, 25511, 37609, 69355, 127555, 188045, 280621, 331643, 1403105, 1658215, 3648073, 18240365]

約数ペア:

[(1, 18240365), (5, 3648073), (11, 1658215), (13, 1403105), (55, 331643), (65, 280621), (97, 188045), (143, 127555), (263, 69355), (485, 37609), (715, 25511), (1067, 17095), (1261, 14465), (1315, 13871), (2893, 6305), (3419, 5335)]