17966780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3637}}^1$

素因数の和:3678

約数の個数: 48

約数和(自身を含む): 42782880

約数和(自身を除く): 24816100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3637, 4940, 7274, 14548, 18185, 36370, 47281, 69103, 72740, 94562, 138206, 189124, 236405, 276412, 345515, 472810, 691030, 898339, 945620, 1382060, 1796678, 3593356, 4491695, 8983390, 17966780]

約数ペア:

[(1, 17966780), (2, 8983390), (4, 4491695), (5, 3593356), (10, 1796678), (13, 1382060), (19, 945620), (20, 898339), (26, 691030), (38, 472810), (52, 345515), (65, 276412), (76, 236405), (95, 189124), (130, 138206), (190, 94562), (247, 72740), (260, 69103), (380, 47281), (494, 36370), (988, 18185), (1235, 14548), (2470, 7274), (3637, 4940)]