18620105

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 7921975

約数列:

[1, 5, 7, 35, 59, 71, 127, 295, 355, 413, 497, 635, 889, 2065, 2485, 4189, 4445, 7493, 9017, 20945, 29323, 37465, 45085, 52451, 63119, 146615, 262255, 315595, 532003, 2660015, 3724021, 18620105]

約数ペア:

[(1, 18620105), (5, 3724021), (7, 2660015), (35, 532003), (59, 315595), (71, 262255), (127, 146615), (295, 63119), (355, 52451), (413, 45085), (497, 37465), (635, 29323), (889, 20945), (2065, 9017), (2485, 7493), (4189, 4445)]