19900220616

素因数分解:

$2^3\times 3^5\times {\mathrm{29}}^1\times {\mathrm{352991}}^1$

素因数の和:353041

約数の個数: 96

約数和(自身を含む): 57820089600

約数和(自身を除く): 37919868984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 162, 174, 216, 232, 243, 261, 324, 348, 486, 522, 648, 696, 783, 972, 1044, 1566, 1944, 2088, 2349, 3132, 4698, 6264, 7047, 9396, 14094, 18792, 28188, 56376, 352991, 705982, 1058973, 1411964, 2117946, 2823928, 3176919, 4235892, 6353838, 8471784, 9530757, 10236739, 12707676, 19061514, 20473478, 25415352, 28592271, 30710217, 38123028, 40946956, 57184542, 61420434, 76246056, 81893912, 85776813, 92130651, 114369084, 122840868, 171553626, 184261302, 228738168, 245681736, 276391953, 343107252, 368522604, 552783906, 686214504, 737045208, 829175859, 1105567812, 1658351718, 2211135624, 2487527577, 3316703436, 4975055154, 6633406872, 9950110308, 19900220616]

約数ペア:

[(1, 19900220616), (2, 9950110308), (3, 6633406872), (4, 4975055154), (6, 3316703436), (8, 2487527577), (9, 2211135624), (12, 1658351718), (18, 1105567812), (24, 829175859), (27, 737045208), (29, 686214504), (36, 552783906), (54, 368522604), (58, 343107252), (72, 276391953), (81, 245681736), (87, 228738168), (108, 184261302), (116, 171553626), (162, 122840868), (174, 114369084), (216, 92130651), (232, 85776813), (243, 81893912), (261, 76246056), (324, 61420434), (348, 57184542), (486, 40946956), (522, 38123028), (648, 30710217), (696, 28592271), (783, 25415352), (972, 20473478), (1044, 19061514), (1566, 12707676), (1944, 10236739), (2088, 9530757), (2349, 8471784), (3132, 6353838), (4698, 4235892), (6264, 3176919), (7047, 2823928), (9396, 2117946), (14094, 1411964), (18792, 1058973), (28188, 705982), (56376, 352991)]