19740453885

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{345143}}^1$

素因数の和:345226

約数の個数: 48

約数和(自身を含む): 36182135808

約数和(自身を除く): 16441681923

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 465, 615, 1271, 1395, 1845, 3813, 6355, 11439, 19065, 57195, 345143, 1035429, 1725715, 3106287, 5177145, 10699433, 14150863, 15531435, 32098299, 42452589, 53497165, 70754315, 96294897, 127357767, 160491495, 212262945, 438676753, 481474485, 636788835, 1316030259, 2193383765, 3948090777, 6580151295, 19740453885]

約数ペア:

[(1, 19740453885), (3, 6580151295), (5, 3948090777), (9, 2193383765), (15, 1316030259), (31, 636788835), (41, 481474485), (45, 438676753), (93, 212262945), (123, 160491495), (155, 127357767), (205, 96294897), (279, 70754315), (369, 53497165), (465, 42452589), (615, 32098299), (1271, 15531435), (1395, 14150863), (1845, 10699433), (3813, 5177145), (6355, 3106287), (11439, 1725715), (19065, 1035429), (57195, 345143)]