18025205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 25436160

約数和(自身を除く): 7410955

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 367, 517, 893, 1045, 1835, 2585, 4037, 4465, 6973, 9823, 17249, 20185, 34865, 49115, 76703, 86245, 189739, 327731, 383515, 948695, 1638655, 3605041, 18025205]

約数ペア:

[(1, 18025205), (5, 3605041), (11, 1638655), (19, 948695), (47, 383515), (55, 327731), (95, 189739), (209, 86245), (235, 76703), (367, 49115), (517, 34865), (893, 20185), (1045, 17249), (1835, 9823), (2585, 6973), (4037, 4465)]