19993136559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{267721}}^1$

素因数の和:267839

約数の個数: 32

約数和(自身を含む): 30430353408

約数和(自身を除く): 10437216849

約数列:

[1, 3, 11, 31, 33, 73, 93, 219, 341, 803, 1023, 2263, 2409, 6789, 24893, 74679, 267721, 803163, 2944931, 8299351, 8834793, 19543633, 24898053, 58630899, 91292861, 214979963, 273878583, 605852623, 644939889, 1817557869, 6664378853, 19993136559]

約数ペア:

[(1, 19993136559), (3, 6664378853), (11, 1817557869), (31, 644939889), (33, 605852623), (73, 273878583), (93, 214979963), (219, 91292861), (341, 58630899), (803, 24898053), (1023, 19543633), (2263, 8834793), (2409, 8299351), (6789, 2944931), (24893, 803163), (74679, 267721)]