19140957

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 12870243

約数列:

[1, 3, 9, 11, 29, 33, 59, 87, 99, 113, 177, 261, 319, 339, 531, 649, 957, 1017, 1243, 1711, 1947, 2871, 3277, 3729, 5133, 5841, 6667, 9831, 11187, 15399, 18821, 20001, 29493, 36047, 56463, 60003, 73337, 108141, 169389, 193343, 220011, 324423, 580029, 660033, 1740087, 2126773, 6380319, 19140957]

約数ペア:

[(1, 19140957), (3, 6380319), (9, 2126773), (11, 1740087), (29, 660033), (33, 580029), (59, 324423), (87, 220011), (99, 193343), (113, 169389), (177, 108141), (261, 73337), (319, 60003), (339, 56463), (531, 36047), (649, 29493), (957, 20001), (1017, 18821), (1243, 15399), (1711, 11187), (1947, 9831), (2871, 6667), (3277, 5841), (3729, 5133)]