2019999016

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{5981}}^1$

素因数の和:6194

約数の個数: 64

約数和(自身を含む): 4473578880

約数和(自身を除く): 2453579864

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 163, 259, 296, 326, 518, 652, 1036, 1141, 1304, 2072, 2282, 4564, 5981, 6031, 9128, 11962, 12062, 23924, 24124, 41867, 42217, 47848, 48248, 83734, 84434, 167468, 168868, 221297, 334936, 337736, 442594, 885188, 974903, 1549079, 1770376, 1949806, 3098158, 3899612, 6196316, 6824321, 7799224, 12392632, 13648642, 27297284, 36071411, 54594568, 72142822, 144285644, 252499877, 288571288, 504999754, 1009999508, 2019999016]

約数ペア:

[(1, 2019999016), (2, 1009999508), (4, 504999754), (7, 288571288), (8, 252499877), (14, 144285644), (28, 72142822), (37, 54594568), (56, 36071411), (74, 27297284), (148, 13648642), (163, 12392632), (259, 7799224), (296, 6824321), (326, 6196316), (518, 3899612), (652, 3098158), (1036, 1949806), (1141, 1770376), (1304, 1549079), (2072, 974903), (2282, 885188), (4564, 442594), (5981, 337736), (6031, 334936), (9128, 221297), (11962, 168868), (12062, 167468), (23924, 84434), (24124, 83734), (41867, 48248), (42217, 47848)]