19294191

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 32953752

約数和(自身を除く): 13659561

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 653, 1407, 1959, 3283, 4221, 4571, 5877, 9849, 13713, 29547, 31997, 41139, 43751, 95991, 131253, 287973, 306257, 393759, 918771, 2143799, 2756313, 6431397, 19294191]

約数ペア:

[(1, 19294191), (3, 6431397), (7, 2756313), (9, 2143799), (21, 918771), (49, 393759), (63, 306257), (67, 287973), (147, 131253), (201, 95991), (441, 43751), (469, 41139), (603, 31997), (653, 29547), (1407, 13713), (1959, 9849), (3283, 5877), (4221, 4571)]