19997383910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{47431}}^1$

素因数の和:47781

約数の個数: 64

約数和(自身を含む): 43440122880

約数和(自身を除く): 23442738970

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 317, 634, 665, 1330, 1585, 2219, 3170, 4438, 6023, 11095, 12046, 22190, 30115, 42161, 47431, 60230, 84322, 94862, 210805, 237155, 332017, 421610, 474310, 664034, 901189, 1660085, 1802378, 3320170, 4505945, 6308323, 9011890, 12616646, 15035627, 30071254, 31541615, 63083230, 75178135, 105249389, 150356270, 210498778, 285676913, 526246945, 571353826, 1052493890, 1428384565, 1999738391, 2856769130, 3999476782, 9998691955, 19997383910]

約数ペア:

[(1, 19997383910), (2, 9998691955), (5, 3999476782), (7, 2856769130), (10, 1999738391), (14, 1428384565), (19, 1052493890), (35, 571353826), (38, 526246945), (70, 285676913), (95, 210498778), (133, 150356270), (190, 105249389), (266, 75178135), (317, 63083230), (634, 31541615), (665, 30071254), (1330, 15035627), (1585, 12616646), (2219, 9011890), (3170, 6308323), (4438, 4505945), (6023, 3320170), (11095, 1802378), (12046, 1660085), (22190, 901189), (30115, 664034), (42161, 474310), (47431, 421610), (60230, 332017), (84322, 237155), (94862, 210805)]