19136607

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 31169880

約数和(自身を除く): 12033273

約数列:

[1, 3, 7, 21, 29, 49, 67, 87, 147, 201, 203, 469, 609, 1407, 1421, 1943, 3283, 4263, 4489, 5829, 9849, 13467, 13601, 31423, 40803, 94269, 95207, 130181, 219961, 285621, 390543, 659883, 911267, 2733801, 6378869, 19136607]

約数ペア:

[(1, 19136607), (3, 6378869), (7, 2733801), (21, 911267), (29, 659883), (49, 390543), (67, 285621), (87, 219961), (147, 130181), (201, 95207), (203, 94269), (469, 40803), (609, 31423), (1407, 13601), (1421, 13467), (1943, 9849), (3283, 5829), (4263, 4489)]