16290486

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 39227760

約数和(自身を除く): 22937274

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 109, 114, 138, 171, 207, 218, 327, 342, 361, 414, 437, 654, 722, 874, 981, 1083, 1311, 1962, 2071, 2166, 2507, 2622, 3249, 3933, 4142, 5014, 6213, 6498, 7521, 7866, 8303, 12426, 15042, 16606, 18639, 22563, 24909, 37278, 39349, 45126, 47633, 49818, 74727, 78698, 95266, 118047, 142899, 149454, 236094, 285798, 354141, 428697, 708282, 857394, 905027, 1810054, 2715081, 5430162, 8145243, 16290486]

約数ペア:

[(1, 16290486), (2, 8145243), (3, 5430162), (6, 2715081), (9, 1810054), (18, 905027), (19, 857394), (23, 708282), (38, 428697), (46, 354141), (57, 285798), (69, 236094), (109, 149454), (114, 142899), (138, 118047), (171, 95266), (207, 78698), (218, 74727), (327, 49818), (342, 47633), (361, 45126), (414, 39349), (437, 37278), (654, 24909), (722, 22563), (874, 18639), (981, 16606), (1083, 15042), (1311, 12426), (1962, 8303), (2071, 7866), (2166, 7521), (2507, 6498), (2622, 6213), (3249, 5014), (3933, 4142)]