18806256

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 62468224

約数和(自身を除く): 43661968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 691, 756, 972, 1008, 1134, 1296, 1382, 1512, 1701, 1944, 2073, 2268, 2764, 3024, 3402, 3888, 4146, 4536, 4837, 5528, 6219, 6804, 8292, 9072, 9674, 11056, 12438, 13608, 14511, 16584, 18657, 19348, 24876, 27216, 29022, 33168, 37314, 38696, 43533, 49752, 55971, 58044, 74628, 77392, 87066, 99504, 111942, 116088, 130599, 149256, 167913, 174132, 223884, 232176, 261198, 298512, 335826, 348264, 391797, 447768, 522396, 671652, 696528, 783594, 895536, 1044792, 1175391, 1343304, 1567188, 2089584, 2350782, 2686608, 3134376, 4701564, 6268752, 9403128, 18806256]

約数ペア:

[(1, 18806256), (2, 9403128), (3, 6268752), (4, 4701564), (6, 3134376), (7, 2686608), (8, 2350782), (9, 2089584), (12, 1567188), (14, 1343304), (16, 1175391), (18, 1044792), (21, 895536), (24, 783594), (27, 696528), (28, 671652), (36, 522396), (42, 447768), (48, 391797), (54, 348264), (56, 335826), (63, 298512), (72, 261198), (81, 232176), (84, 223884), (108, 174132), (112, 167913), (126, 149256), (144, 130599), (162, 116088), (168, 111942), (189, 99504), (216, 87066), (243, 77392), (252, 74628), (324, 58044), (336, 55971), (378, 49752), (432, 43533), (486, 38696), (504, 37314), (567, 33168), (648, 29022), (691, 27216), (756, 24876), (972, 19348), (1008, 18657), (1134, 16584), (1296, 14511), (1382, 13608), (1512, 12438), (1701, 11056), (1944, 9674), (2073, 9072), (2268, 8292), (2764, 6804), (3024, 6219), (3402, 5528), (3888, 4837), (4146, 4536)]