19428108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 58222080

約数和(自身を除く): 38793972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 47, 49, 57, 74, 76, 84, 94, 98, 111, 114, 133, 141, 147, 148, 188, 196, 222, 228, 259, 266, 282, 294, 329, 399, 444, 518, 532, 564, 588, 658, 703, 777, 798, 893, 931, 987, 1036, 1316, 1406, 1554, 1596, 1739, 1786, 1813, 1862, 1974, 2109, 2303, 2679, 2793, 2812, 3108, 3478, 3572, 3626, 3724, 3948, 4218, 4606, 4921, 5217, 5358, 5439, 5586, 6251, 6909, 6956, 7252, 8436, 9212, 9842, 10434, 10716, 10878, 11172, 12173, 12502, 13818, 14763, 18753, 19684, 20868, 21756, 24346, 25004, 27636, 29526, 33041, 34447, 36519, 37506, 43757, 48692, 59052, 66082, 68894, 73038, 75012, 85211, 87514, 99123, 103341, 131271, 132164, 137788, 146076, 170422, 175028, 198246, 206682, 231287, 255633, 262542, 340844, 396492, 413364, 462574, 511266, 525084, 693861, 925148, 1022532, 1387722, 1619009, 2775444, 3238018, 4857027, 6476036, 9714054, 19428108]

約数ペア:

[(1, 19428108), (2, 9714054), (3, 6476036), (4, 4857027), (6, 3238018), (7, 2775444), (12, 1619009), (14, 1387722), (19, 1022532), (21, 925148), (28, 693861), (37, 525084), (38, 511266), (42, 462574), (47, 413364), (49, 396492), (57, 340844), (74, 262542), (76, 255633), (84, 231287), (94, 206682), (98, 198246), (111, 175028), (114, 170422), (133, 146076), (141, 137788), (147, 132164), (148, 131271), (188, 103341), (196, 99123), (222, 87514), (228, 85211), (259, 75012), (266, 73038), (282, 68894), (294, 66082), (329, 59052), (399, 48692), (444, 43757), (518, 37506), (532, 36519), (564, 34447), (588, 33041), (658, 29526), (703, 27636), (777, 25004), (798, 24346), (893, 21756), (931, 20868), (987, 19684), (1036, 18753), (1316, 14763), (1406, 13818), (1554, 12502), (1596, 12173), (1739, 11172), (1786, 10878), (1813, 10716), (1862, 10434), (1974, 9842), (2109, 9212), (2303, 8436), (2679, 7252), (2793, 6956), (2812, 6909), (3108, 6251), (3478, 5586), (3572, 5439), (3626, 5358), (3724, 5217), (3948, 4921), (4218, 4606)]