20189286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 49926240

約数和(自身を除く): 29736954

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 239, 247, 342, 361, 478, 494, 717, 722, 741, 1083, 1434, 1482, 2151, 2166, 2223, 3107, 3249, 4302, 4446, 4541, 4693, 6214, 6498, 9082, 9321, 9386, 13623, 14079, 18642, 27246, 27963, 28158, 40869, 42237, 55926, 59033, 81738, 84474, 86279, 118066, 172558, 177099, 258837, 354198, 517674, 531297, 776511, 1062594, 1121627, 1553022, 2243254, 3364881, 6729762, 10094643, 20189286]

約数ペア:

[(1, 20189286), (2, 10094643), (3, 6729762), (6, 3364881), (9, 2243254), (13, 1553022), (18, 1121627), (19, 1062594), (26, 776511), (38, 531297), (39, 517674), (57, 354198), (78, 258837), (114, 177099), (117, 172558), (171, 118066), (234, 86279), (239, 84474), (247, 81738), (342, 59033), (361, 55926), (478, 42237), (494, 40869), (717, 28158), (722, 27963), (741, 27246), (1083, 18642), (1434, 14079), (1482, 13623), (2151, 9386), (2166, 9321), (2223, 9082), (3107, 6498), (3249, 6214), (4302, 4693), (4446, 4541)]