19624891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 5534789

約数列:

[1, 11, 13, 19, 31, 143, 209, 233, 247, 341, 403, 589, 2563, 2717, 3029, 4427, 4433, 6479, 7223, 7657, 33319, 48697, 57551, 79453, 84227, 93899, 137237, 633061, 1032889, 1509607, 1784081, 19624891]

約数ペア:

[(1, 19624891), (11, 1784081), (13, 1509607), (19, 1032889), (31, 633061), (143, 137237), (209, 93899), (233, 84227), (247, 79453), (341, 57551), (403, 48697), (589, 33319), (2563, 7657), (2717, 7223), (3029, 6479), (4427, 4433)]