2019625900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1031}}^2$

素因数の和:2095

約数の個数: 54

約数和(自身を含む): 4617729620

約数和(自身を除く): 2598103720

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1031, 1900, 2062, 4124, 5155, 10310, 19589, 20620, 25775, 39178, 51550, 78356, 97945, 103100, 195890, 391780, 489725, 979450, 1062961, 1958900, 2125922, 4251844, 5314805, 10629610, 20196259, 21259220, 26574025, 40392518, 53148050, 80785036, 100981295, 106296100, 201962590, 403925180, 504906475, 1009812950, 2019625900]

約数ペア:

[(1, 2019625900), (2, 1009812950), (4, 504906475), (5, 403925180), (10, 201962590), (19, 106296100), (20, 100981295), (25, 80785036), (38, 53148050), (50, 40392518), (76, 26574025), (95, 21259220), (100, 20196259), (190, 10629610), (380, 5314805), (475, 4251844), (950, 2125922), (1031, 1958900), (1900, 1062961), (2062, 979450), (4124, 489725), (5155, 391780), (10310, 195890), (19589, 103100), (20620, 97945), (25775, 78356), (39178, 51550)]