18889848

素因数分解:

$2^3\times 3^6\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 55087200

約数和(自身を除く): 36197352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 79, 81, 82, 108, 123, 158, 162, 164, 216, 237, 243, 246, 316, 324, 328, 369, 474, 486, 492, 632, 648, 711, 729, 738, 948, 972, 984, 1107, 1422, 1458, 1476, 1896, 1944, 2133, 2214, 2844, 2916, 2952, 3239, 3321, 4266, 4428, 5688, 5832, 6399, 6478, 6642, 8532, 8856, 9717, 9963, 12798, 12956, 13284, 17064, 19197, 19434, 19926, 25596, 25912, 26568, 29151, 29889, 38394, 38868, 39852, 51192, 57591, 58302, 59778, 76788, 77736, 79704, 87453, 115182, 116604, 119556, 153576, 174906, 230364, 233208, 239112, 262359, 349812, 460728, 524718, 699624, 787077, 1049436, 1574154, 2098872, 2361231, 3148308, 4722462, 6296616, 9444924, 18889848]

約数ペア:

[(1, 18889848), (2, 9444924), (3, 6296616), (4, 4722462), (6, 3148308), (8, 2361231), (9, 2098872), (12, 1574154), (18, 1049436), (24, 787077), (27, 699624), (36, 524718), (41, 460728), (54, 349812), (72, 262359), (79, 239112), (81, 233208), (82, 230364), (108, 174906), (123, 153576), (158, 119556), (162, 116604), (164, 115182), (216, 87453), (237, 79704), (243, 77736), (246, 76788), (316, 59778), (324, 58302), (328, 57591), (369, 51192), (474, 39852), (486, 38868), (492, 38394), (632, 29889), (648, 29151), (711, 26568), (729, 25912), (738, 25596), (948, 19926), (972, 19434), (984, 19197), (1107, 17064), (1422, 13284), (1458, 12956), (1476, 12798), (1896, 9963), (1944, 9717), (2133, 8856), (2214, 8532), (2844, 6642), (2916, 6478), (2952, 6399), (3239, 5832), (3321, 5688), (4266, 4428)]