2018990008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{44129}}^1$

素因数の和:44204

約数の個数: 64

約数和(自身を含む): 4660128000

約数和(自身を除く): 2641137992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 532, 602, 817, 1064, 1204, 1634, 2408, 3268, 5719, 6536, 11438, 22876, 44129, 45752, 88258, 176516, 308903, 353032, 617806, 838451, 1235612, 1676902, 1897547, 2471224, 3353804, 3795094, 5869157, 6707608, 7590188, 11738314, 13282829, 15180376, 23476628, 26565658, 36053393, 46953256, 53131316, 72106786, 106262632, 144213572, 252373751, 288427144, 504747502, 1009495004, 2018990008]

約数ペア:

[(1, 2018990008), (2, 1009495004), (4, 504747502), (7, 288427144), (8, 252373751), (14, 144213572), (19, 106262632), (28, 72106786), (38, 53131316), (43, 46953256), (56, 36053393), (76, 26565658), (86, 23476628), (133, 15180376), (152, 13282829), (172, 11738314), (266, 7590188), (301, 6707608), (344, 5869157), (532, 3795094), (602, 3353804), (817, 2471224), (1064, 1897547), (1204, 1676902), (1634, 1235612), (2408, 838451), (3268, 617806), (5719, 353032), (6536, 308903), (11438, 176516), (22876, 88258), (44129, 45752)]