19788049708

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{388519}}^1$

素因数の和:388654

約数の個数: 48

約数和(自身を含む): 42295841280

約数和(自身を除く): 22507791572

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 428, 476, 749, 1498, 1819, 2996, 3638, 7276, 12733, 25466, 50932, 388519, 777038, 1554076, 2719633, 5439266, 6604823, 10878532, 13209646, 26419292, 41571533, 46233761, 83143066, 92467522, 166286132, 184935044, 291000731, 582001462, 706716061, 1164002924, 1413432122, 2826864244, 4947012427, 9894024854, 19788049708]

約数ペア:

[(1, 19788049708), (2, 9894024854), (4, 4947012427), (7, 2826864244), (14, 1413432122), (17, 1164002924), (28, 706716061), (34, 582001462), (68, 291000731), (107, 184935044), (119, 166286132), (214, 92467522), (238, 83143066), (428, 46233761), (476, 41571533), (749, 26419292), (1498, 13209646), (1819, 10878532), (2996, 6604823), (3638, 5439266), (7276, 2719633), (12733, 1554076), (25466, 777038), (50932, 388519)]