19906128

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 44375472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 59, 66, 71, 72, 88, 99, 108, 118, 132, 142, 144, 176, 177, 198, 213, 216, 236, 264, 284, 297, 354, 396, 426, 432, 472, 528, 531, 568, 594, 639, 649, 708, 781, 792, 852, 944, 1062, 1136, 1188, 1278, 1298, 1416, 1562, 1584, 1593, 1704, 1917, 1947, 2124, 2343, 2376, 2556, 2596, 2832, 3124, 3186, 3408, 3834, 3894, 4189, 4248, 4686, 4752, 5112, 5192, 5841, 6248, 6372, 7029, 7668, 7788, 8378, 8496, 9372, 10224, 10384, 11682, 12496, 12567, 12744, 14058, 15336, 15576, 16756, 17523, 18744, 21087, 23364, 25134, 25488, 28116, 30672, 31152, 33512, 35046, 37488, 37701, 42174, 46079, 46728, 50268, 56232, 67024, 70092, 75402, 84348, 92158, 93456, 100536, 112464, 113103, 138237, 140184, 150804, 168696, 184316, 201072, 226206, 276474, 280368, 301608, 337392, 368632, 414711, 452412, 552948, 603216, 737264, 829422, 904824, 1105896, 1244133, 1658844, 1809648, 2211792, 2488266, 3317688, 4976532, 6635376, 9953064, 19906128]

約数ペア:

[(1, 19906128), (2, 9953064), (3, 6635376), (4, 4976532), (6, 3317688), (8, 2488266), (9, 2211792), (11, 1809648), (12, 1658844), (16, 1244133), (18, 1105896), (22, 904824), (24, 829422), (27, 737264), (33, 603216), (36, 552948), (44, 452412), (48, 414711), (54, 368632), (59, 337392), (66, 301608), (71, 280368), (72, 276474), (88, 226206), (99, 201072), (108, 184316), (118, 168696), (132, 150804), (142, 140184), (144, 138237), (176, 113103), (177, 112464), (198, 100536), (213, 93456), (216, 92158), (236, 84348), (264, 75402), (284, 70092), (297, 67024), (354, 56232), (396, 50268), (426, 46728), (432, 46079), (472, 42174), (528, 37701), (531, 37488), (568, 35046), (594, 33512), (639, 31152), (649, 30672), (708, 28116), (781, 25488), (792, 25134), (852, 23364), (944, 21087), (1062, 18744), (1136, 17523), (1188, 16756), (1278, 15576), (1298, 15336), (1416, 14058), (1562, 12744), (1584, 12567), (1593, 12496), (1704, 11682), (1917, 10384), (1947, 10224), (2124, 9372), (2343, 8496), (2376, 8378), (2556, 7788), (2596, 7668), (2832, 7029), (3124, 6372), (3186, 6248), (3408, 5841), (3834, 5192), (3894, 5112), (4189, 4752), (4248, 4686)]