19836495

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6997}}^1$

素因数の和:7021

約数の個数: 40

約数和(自身を含む): 40644384

約数和(自身を除く): 20807889

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6997, 20991, 34985, 48979, 62973, 104955, 146937, 188919, 244895, 314865, 440811, 566757, 734685, 944595, 1322433, 2204055, 2833785, 3967299, 6612165, 19836495]

約数ペア:

[(1, 19836495), (3, 6612165), (5, 3967299), (7, 2833785), (9, 2204055), (15, 1322433), (21, 944595), (27, 734685), (35, 566757), (45, 440811), (63, 314865), (81, 244895), (105, 188919), (135, 146937), (189, 104955), (315, 62973), (405, 48979), (567, 34985), (945, 20991), (2835, 6997)]