19787376

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 61067520

約数和(自身を除く): 41280144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 84, 94, 98, 112, 141, 147, 168, 179, 188, 196, 282, 294, 329, 336, 358, 376, 392, 537, 564, 588, 658, 716, 752, 784, 987, 1074, 1128, 1176, 1253, 1316, 1432, 1974, 2148, 2256, 2303, 2352, 2506, 2632, 2864, 3759, 3948, 4296, 4606, 5012, 5264, 6909, 7518, 7896, 8413, 8592, 8771, 9212, 10024, 13818, 15036, 15792, 16826, 17542, 18424, 20048, 25239, 26313, 27636, 30072, 33652, 35084, 36848, 50478, 52626, 55272, 58891, 60144, 67304, 70168, 100956, 105252, 110544, 117782, 134608, 140336, 176673, 201912, 210504, 235564, 353346, 403824, 412237, 421008, 471128, 706692, 824474, 942256, 1236711, 1413384, 1648948, 2473422, 2826768, 3297896, 4946844, 6595792, 9893688, 19787376]

約数ペア:

[(1, 19787376), (2, 9893688), (3, 6595792), (4, 4946844), (6, 3297896), (7, 2826768), (8, 2473422), (12, 1648948), (14, 1413384), (16, 1236711), (21, 942256), (24, 824474), (28, 706692), (42, 471128), (47, 421008), (48, 412237), (49, 403824), (56, 353346), (84, 235564), (94, 210504), (98, 201912), (112, 176673), (141, 140336), (147, 134608), (168, 117782), (179, 110544), (188, 105252), (196, 100956), (282, 70168), (294, 67304), (329, 60144), (336, 58891), (358, 55272), (376, 52626), (392, 50478), (537, 36848), (564, 35084), (588, 33652), (658, 30072), (716, 27636), (752, 26313), (784, 25239), (987, 20048), (1074, 18424), (1128, 17542), (1176, 16826), (1253, 15792), (1316, 15036), (1432, 13818), (1974, 10024), (2148, 9212), (2256, 8771), (2303, 8592), (2352, 8413), (2506, 7896), (2632, 7518), (2864, 6909), (3759, 5264), (3948, 5012), (4296, 4606)]