19961109684

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{140837}}^1$

素因数の和:141005

約数の個数: 72

約数和(自身を含む): 52495392768

約数和(自身を除く): 32534283084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1524, 2286, 3937, 4572, 7874, 11811, 15748, 23622, 35433, 47244, 70866, 140837, 141732, 281674, 422511, 563348, 845022, 1267533, 1690044, 2535066, 4365947, 5070132, 8731894, 13097841, 17463788, 17886299, 26195682, 35772598, 39293523, 52391364, 53658897, 71545196, 78587046, 107317794, 157174092, 160976691, 214635588, 321953382, 554475269, 643906764, 1108950538, 1663425807, 2217901076, 3326851614, 4990277421, 6653703228, 9980554842, 19961109684]

約数ペア:

[(1, 19961109684), (2, 9980554842), (3, 6653703228), (4, 4990277421), (6, 3326851614), (9, 2217901076), (12, 1663425807), (18, 1108950538), (31, 643906764), (36, 554475269), (62, 321953382), (93, 214635588), (124, 160976691), (127, 157174092), (186, 107317794), (254, 78587046), (279, 71545196), (372, 53658897), (381, 52391364), (508, 39293523), (558, 35772598), (762, 26195682), (1116, 17886299), (1143, 17463788), (1524, 13097841), (2286, 8731894), (3937, 5070132), (4572, 4365947), (7874, 2535066), (11811, 1690044), (15748, 1267533), (23622, 845022), (35433, 563348), (47244, 422511), (70866, 281674), (140837, 141732)]