19415489968

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{76603}}^1$

素因数の和:76722

約数の個数: 80

約数和(自身を含む): 44986771456

約数和(自身を除く): 25571281488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 292, 434, 496, 511, 584, 868, 1022, 1168, 1736, 2044, 2263, 3472, 4088, 4526, 8176, 9052, 15841, 18104, 31682, 36208, 63364, 76603, 126728, 153206, 253456, 306412, 536221, 612824, 1072442, 1225648, 2144884, 2374693, 4289768, 4749386, 5592019, 8579536, 9498772, 11184038, 16622851, 18997544, 22368076, 33245702, 37995088, 39144133, 44736152, 66491404, 78288266, 89472304, 132982808, 156576532, 173352589, 265965616, 313153064, 346705178, 626306128, 693410356, 1213468123, 1386820712, 2426936246, 2773641424, 4853872492, 9707744984, 19415489968]

約数ペア:

[(1, 19415489968), (2, 9707744984), (4, 4853872492), (7, 2773641424), (8, 2426936246), (14, 1386820712), (16, 1213468123), (28, 693410356), (31, 626306128), (56, 346705178), (62, 313153064), (73, 265965616), (112, 173352589), (124, 156576532), (146, 132982808), (217, 89472304), (248, 78288266), (292, 66491404), (434, 44736152), (496, 39144133), (511, 37995088), (584, 33245702), (868, 22368076), (1022, 18997544), (1168, 16622851), (1736, 11184038), (2044, 9498772), (2263, 8579536), (3472, 5592019), (4088, 4749386), (4526, 4289768), (8176, 2374693), (9052, 2144884), (15841, 1225648), (18104, 1072442), (31682, 612824), (36208, 536221), (63364, 306412), (76603, 253456), (126728, 153206)]