19996254

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{113}}^2$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 46378800

約数和(自身を除く): 26382546

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 113, 174, 226, 261, 339, 522, 678, 783, 1017, 1566, 2034, 3051, 3277, 6102, 6554, 9831, 12769, 19662, 25538, 29493, 38307, 58986, 76614, 88479, 114921, 176958, 229842, 344763, 370301, 689526, 740602, 1110903, 2221806, 3332709, 6665418, 9998127, 19996254]

約数ペア:

[(1, 19996254), (2, 9998127), (3, 6665418), (6, 3332709), (9, 2221806), (18, 1110903), (27, 740602), (29, 689526), (54, 370301), (58, 344763), (87, 229842), (113, 176958), (174, 114921), (226, 88479), (261, 76614), (339, 58986), (522, 38307), (678, 29493), (783, 25538), (1017, 19662), (1566, 12769), (2034, 9831), (3051, 6554), (3277, 6102)]