2019754845

素因数分解:

$3^4\times 5^1\times {\mathrm{953}}^1\times {\mathrm{5233}}^1$

素因数の和:6203

約数の個数: 40

約数和(自身を含む): 3625089336

約数和(自身を除く): 1605334491

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 953, 2859, 4765, 5233, 8577, 14295, 15699, 25731, 26165, 42885, 47097, 77193, 78495, 128655, 141291, 235485, 385965, 423873, 706455, 2119365, 4987049, 14961147, 24935245, 44883441, 74805735, 134650323, 224417205, 403950969, 673251615, 2019754845]

約数ペア:

[(1, 2019754845), (3, 673251615), (5, 403950969), (9, 224417205), (15, 134650323), (27, 74805735), (45, 44883441), (81, 24935245), (135, 14961147), (405, 4987049), (953, 2119365), (2859, 706455), (4765, 423873), (5233, 385965), (8577, 235485), (14295, 141291), (15699, 128655), (25731, 78495), (26165, 77193), (42885, 47097)]