18260205

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 12152595

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 439, 705, 885, 1317, 2195, 2773, 6585, 8319, 13865, 20633, 25901, 41595, 61899, 77703, 103165, 129505, 309495, 388515, 1217347, 3652041, 6086735, 18260205]

約数ペア:

[(1, 18260205), (3, 6086735), (5, 3652041), (15, 1217347), (47, 388515), (59, 309495), (141, 129505), (177, 103165), (235, 77703), (295, 61899), (439, 41595), (705, 25901), (885, 20633), (1317, 13865), (2195, 8319), (2773, 6585)]