19470465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 38982528

約数和(自身を除く): 19512063

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 113, 315, 339, 547, 565, 791, 1017, 1641, 1695, 2373, 2735, 3829, 3955, 4923, 5085, 7119, 8205, 11487, 11865, 19145, 24615, 34461, 35595, 57435, 61811, 172305, 185433, 309055, 432677, 556299, 927165, 1298031, 2163385, 2781495, 3894093, 6490155, 19470465]

約数ペア:

[(1, 19470465), (3, 6490155), (5, 3894093), (7, 2781495), (9, 2163385), (15, 1298031), (21, 927165), (35, 556299), (45, 432677), (63, 309055), (105, 185433), (113, 172305), (315, 61811), (339, 57435), (547, 35595), (565, 34461), (791, 24615), (1017, 19145), (1641, 11865), (1695, 11487), (2373, 8205), (2735, 7119), (3829, 5085), (3955, 4923)]