19927089

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 16764111

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 839, 1131, 1827, 2517, 2639, 3393, 5873, 7551, 7917, 10907, 17619, 23751, 24331, 32721, 52857, 72993, 76349, 98163, 170317, 218979, 229047, 316303, 510951, 687141, 948909, 1532853, 2214121, 2846727, 6642363, 19927089]

約数ペア:

[(1, 19927089), (3, 6642363), (7, 2846727), (9, 2214121), (13, 1532853), (21, 948909), (29, 687141), (39, 510951), (63, 316303), (87, 229047), (91, 218979), (117, 170317), (203, 98163), (261, 76349), (273, 72993), (377, 52857), (609, 32721), (819, 24331), (839, 23751), (1131, 17619), (1827, 10907), (2517, 7917), (2639, 7551), (3393, 5873)]