18219844629

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{56167}}^1$

素因数の和:56470

約数の個数: 48

約数和(自身を含む): 31777607680

約数和(自身を除く): 13557763051

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 271, 399, 813, 1197, 1897, 2439, 5149, 5691, 15447, 17073, 36043, 46341, 56167, 108129, 168501, 324387, 393169, 505503, 1067173, 1179507, 3201519, 3538521, 7470211, 9604557, 15221257, 22410633, 45663771, 67231899, 106548799, 136991313, 289203883, 319646397, 867611649, 958939191, 2024427181, 2602834947, 6073281543, 18219844629]

約数ペア:

[(1, 18219844629), (3, 6073281543), (7, 2602834947), (9, 2024427181), (19, 958939191), (21, 867611649), (57, 319646397), (63, 289203883), (133, 136991313), (171, 106548799), (271, 67231899), (399, 45663771), (813, 22410633), (1197, 15221257), (1897, 9604557), (2439, 7470211), (5149, 3538521), (5691, 3201519), (15447, 1179507), (17073, 1067173), (36043, 505503), (46341, 393169), (56167, 324387), (108129, 168501)]