19506993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 10145487

約数列:

[1, 3, 11, 33, 43, 59, 129, 177, 233, 473, 649, 699, 1419, 1947, 2537, 2563, 7611, 7689, 10019, 13747, 27907, 30057, 41241, 83721, 110209, 151217, 330627, 453651, 591121, 1773363, 6502331, 19506993]

約数ペア:

[(1, 19506993), (3, 6502331), (11, 1773363), (33, 591121), (43, 453651), (59, 330627), (129, 151217), (177, 110209), (233, 83721), (473, 41241), (649, 30057), (699, 27907), (1419, 13747), (1947, 10019), (2537, 7689), (2563, 7611)]