19967472

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 200

約数和(自身を含む): 69138432

約数和(自身を除く): 49170960

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 71, 72, 81, 84, 93, 108, 112, 124, 126, 142, 144, 162, 168, 186, 189, 213, 216, 217, 248, 252, 279, 284, 324, 336, 372, 378, 426, 432, 434, 496, 497, 504, 558, 567, 568, 639, 648, 651, 744, 756, 837, 852, 868, 994, 1008, 1116, 1134, 1136, 1278, 1296, 1302, 1488, 1491, 1512, 1674, 1704, 1736, 1917, 1953, 1988, 2201, 2232, 2268, 2511, 2556, 2604, 2982, 3024, 3348, 3408, 3472, 3834, 3906, 3976, 4402, 4464, 4473, 4536, 5022, 5112, 5208, 5751, 5859, 5964, 6603, 6696, 7668, 7812, 7952, 8804, 8946, 9072, 10044, 10224, 10416, 11502, 11718, 11928, 13206, 13392, 13419, 15336, 15407, 15624, 17577, 17608, 17892, 19809, 20088, 23004, 23436, 23856, 26412, 26838, 30672, 30814, 31248, 35154, 35216, 35784, 39618, 40176, 40257, 46008, 46221, 46872, 52824, 53676, 59427, 61628, 70308, 71568, 79236, 80514, 92016, 92442, 93744, 105648, 107352, 118854, 123256, 138663, 140616, 158472, 161028, 178281, 184884, 214704, 237708, 246512, 277326, 281232, 316944, 322056, 356562, 369768, 415989, 475416, 554652, 644112, 713124, 739536, 831978, 950832, 1109304, 1247967, 1426248, 1663956, 2218608, 2495934, 2852496, 3327912, 4991868, 6655824, 9983736, 19967472]

約数ペア:

[(1, 19967472), (2, 9983736), (3, 6655824), (4, 4991868), (6, 3327912), (7, 2852496), (8, 2495934), (9, 2218608), (12, 1663956), (14, 1426248), (16, 1247967), (18, 1109304), (21, 950832), (24, 831978), (27, 739536), (28, 713124), (31, 644112), (36, 554652), (42, 475416), (48, 415989), (54, 369768), (56, 356562), (62, 322056), (63, 316944), (71, 281232), (72, 277326), (81, 246512), (84, 237708), (93, 214704), (108, 184884), (112, 178281), (124, 161028), (126, 158472), (142, 140616), (144, 138663), (162, 123256), (168, 118854), (186, 107352), (189, 105648), (213, 93744), (216, 92442), (217, 92016), (248, 80514), (252, 79236), (279, 71568), (284, 70308), (324, 61628), (336, 59427), (372, 53676), (378, 52824), (426, 46872), (432, 46221), (434, 46008), (496, 40257), (497, 40176), (504, 39618), (558, 35784), (567, 35216), (568, 35154), (639, 31248), (648, 30814), (651, 30672), (744, 26838), (756, 26412), (837, 23856), (852, 23436), (868, 23004), (994, 20088), (1008, 19809), (1116, 17892), (1134, 17608), (1136, 17577), (1278, 15624), (1296, 15407), (1302, 15336), (1488, 13419), (1491, 13392), (1512, 13206), (1674, 11928), (1704, 11718), (1736, 11502), (1917, 10416), (1953, 10224), (1988, 10044), (2201, 9072), (2232, 8946), (2268, 8804), (2511, 7952), (2556, 7812), (2604, 7668), (2982, 6696), (3024, 6603), (3348, 5964), (3408, 5859), (3472, 5751), (3834, 5208), (3906, 5112), (3976, 5022), (4402, 4536), (4464, 4473)]