19845987

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2417}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 33426432

約数和(自身を除く): 13580445

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2417, 2737, 7251, 8211, 16919, 41089, 50757, 55591, 123267, 166773, 287623, 389137, 862869, 945047, 1167411, 2835141, 6615329, 19845987]

約数ペア:

[(1, 19845987), (3, 6615329), (7, 2835141), (17, 1167411), (21, 945047), (23, 862869), (51, 389137), (69, 287623), (119, 166773), (161, 123267), (357, 55591), (391, 50757), (483, 41089), (1173, 16919), (2417, 8211), (2737, 7251)]