19021090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 39502080

約数和(自身を除く): 20480990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 479, 722, 958, 1045, 1805, 2090, 2395, 3610, 3971, 4790, 5269, 7942, 9101, 10538, 18202, 19855, 26345, 39710, 45505, 52690, 91010, 100111, 172919, 200222, 345838, 500555, 864595, 1001110, 1729190, 1902109, 3804218, 9510545, 19021090]

約数ペア:

[(1, 19021090), (2, 9510545), (5, 3804218), (10, 1902109), (11, 1729190), (19, 1001110), (22, 864595), (38, 500555), (55, 345838), (95, 200222), (110, 172919), (190, 100111), (209, 91010), (361, 52690), (418, 45505), (479, 39710), (722, 26345), (958, 19855), (1045, 18202), (1805, 10538), (2090, 9101), (2395, 7942), (3610, 5269), (3971, 4790)]