20199208446

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1109}}^1\times {\mathrm{2803}}^1$

素因数の和:3958

約数の個数: 72

約数和(自身を含む): 46247745960

約数和(自身を除く): 26048537514

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 1109, 2166, 2218, 2803, 3249, 3327, 5606, 6498, 6654, 8409, 9981, 16818, 19962, 21071, 25227, 42142, 50454, 53257, 63213, 106514, 126426, 159771, 189639, 319542, 379278, 400349, 479313, 800698, 958626, 1011883, 1201047, 2023766, 2402094, 3035649, 3108527, 3603141, 6071298, 6217054, 7206282, 9106947, 9325581, 18213894, 18651162, 27976743, 55953486, 59062013, 118124026, 177186039, 354372078, 531558117, 1063116234, 1122178247, 2244356494, 3366534741, 6733069482, 10099604223, 20199208446]

約数ペア:

[(1, 20199208446), (2, 10099604223), (3, 6733069482), (6, 3366534741), (9, 2244356494), (18, 1122178247), (19, 1063116234), (38, 531558117), (57, 354372078), (114, 177186039), (171, 118124026), (342, 59062013), (361, 55953486), (722, 27976743), (1083, 18651162), (1109, 18213894), (2166, 9325581), (2218, 9106947), (2803, 7206282), (3249, 6217054), (3327, 6071298), (5606, 3603141), (6498, 3108527), (6654, 3035649), (8409, 2402094), (9981, 2023766), (16818, 1201047), (19962, 1011883), (21071, 958626), (25227, 800698), (42142, 479313), (50454, 400349), (53257, 379278), (63213, 319542), (106514, 189639), (126426, 159771)]