2018128888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1031}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 4129444800

約数和(自身を除く): 2111315912

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 389, 629, 778, 1031, 1258, 1556, 2062, 2516, 3112, 4124, 5032, 6613, 8248, 13226, 14393, 17527, 26452, 28786, 35054, 38147, 52904, 57572, 70108, 76294, 115144, 140216, 152588, 244681, 305176, 401059, 489362, 648499, 802118, 978724, 1296998, 1604236, 1957448, 2593996, 3208472, 5187992, 6818003, 13636006, 14839183, 27272012, 29678366, 54544024, 59356732, 118713464, 252266111, 504532222, 1009064444, 2018128888]

約数ペア:

[(1, 2018128888), (2, 1009064444), (4, 504532222), (8, 252266111), (17, 118713464), (34, 59356732), (37, 54544024), (68, 29678366), (74, 27272012), (136, 14839183), (148, 13636006), (296, 6818003), (389, 5187992), (629, 3208472), (778, 2593996), (1031, 1957448), (1258, 1604236), (1556, 1296998), (2062, 978724), (2516, 802118), (3112, 648499), (4124, 489362), (5032, 401059), (6613, 305176), (8248, 244681), (13226, 152588), (14393, 140216), (17527, 115144), (26452, 76294), (28786, 70108), (35054, 57572), (38147, 52904)]