19120728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37281192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 44, 46, 47, 66, 67, 69, 88, 92, 94, 132, 134, 138, 141, 184, 188, 201, 253, 264, 268, 276, 282, 376, 402, 506, 517, 536, 552, 564, 737, 759, 804, 1012, 1034, 1081, 1128, 1474, 1518, 1541, 1551, 1608, 2024, 2068, 2162, 2211, 2948, 3036, 3082, 3102, 3149, 3243, 4136, 4324, 4422, 4623, 5896, 6072, 6164, 6204, 6298, 6486, 8648, 8844, 9246, 9447, 11891, 12328, 12408, 12596, 12972, 16951, 17688, 18492, 18894, 23782, 25192, 25944, 33902, 34639, 35673, 36984, 37788, 47564, 50853, 67804, 69278, 71346, 72427, 75576, 95128, 101706, 103917, 135608, 138556, 142692, 144854, 203412, 207834, 217281, 277112, 285384, 289708, 406824, 415668, 434562, 579416, 796697, 831336, 869124, 1593394, 1738248, 2390091, 3186788, 4780182, 6373576, 9560364, 19120728]

約数ペア:

[(1, 19120728), (2, 9560364), (3, 6373576), (4, 4780182), (6, 3186788), (8, 2390091), (11, 1738248), (12, 1593394), (22, 869124), (23, 831336), (24, 796697), (33, 579416), (44, 434562), (46, 415668), (47, 406824), (66, 289708), (67, 285384), (69, 277112), (88, 217281), (92, 207834), (94, 203412), (132, 144854), (134, 142692), (138, 138556), (141, 135608), (184, 103917), (188, 101706), (201, 95128), (253, 75576), (264, 72427), (268, 71346), (276, 69278), (282, 67804), (376, 50853), (402, 47564), (506, 37788), (517, 36984), (536, 35673), (552, 34639), (564, 33902), (737, 25944), (759, 25192), (804, 23782), (1012, 18894), (1034, 18492), (1081, 17688), (1128, 16951), (1474, 12972), (1518, 12596), (1541, 12408), (1551, 12328), (1608, 11891), (2024, 9447), (2068, 9246), (2162, 8844), (2211, 8648), (2948, 6486), (3036, 6298), (3082, 6204), (3102, 6164), (3149, 6072), (3243, 5896), (4136, 4623), (4324, 4422)]