19701792

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:724

約数の個数: 120

約数和(自身を含む): 63301392

約数和(自身を除く): 43599600

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 264, 288, 297, 324, 352, 396, 432, 528, 594, 648, 691, 792, 864, 891, 1056, 1188, 1296, 1382, 1584, 1782, 2073, 2376, 2592, 2764, 3168, 3564, 4146, 4752, 5528, 6219, 7128, 7601, 8292, 9504, 11056, 12438, 14256, 15202, 16584, 18657, 22112, 22803, 24876, 28512, 30404, 33168, 37314, 45606, 49752, 55971, 60808, 66336, 68409, 74628, 91212, 99504, 111942, 121616, 136818, 149256, 182424, 199008, 205227, 223884, 243232, 273636, 298512, 364848, 410454, 447768, 547272, 597024, 615681, 729696, 820908, 895536, 1094544, 1231362, 1641816, 1791072, 2189088, 2462724, 3283632, 4925448, 6567264, 9850896, 19701792]

約数ペア:

[(1, 19701792), (2, 9850896), (3, 6567264), (4, 4925448), (6, 3283632), (8, 2462724), (9, 2189088), (11, 1791072), (12, 1641816), (16, 1231362), (18, 1094544), (22, 895536), (24, 820908), (27, 729696), (32, 615681), (33, 597024), (36, 547272), (44, 447768), (48, 410454), (54, 364848), (66, 298512), (72, 273636), (81, 243232), (88, 223884), (96, 205227), (99, 199008), (108, 182424), (132, 149256), (144, 136818), (162, 121616), (176, 111942), (198, 99504), (216, 91212), (264, 74628), (288, 68409), (297, 66336), (324, 60808), (352, 55971), (396, 49752), (432, 45606), (528, 37314), (594, 33168), (648, 30404), (691, 28512), (792, 24876), (864, 22803), (891, 22112), (1056, 18657), (1188, 16584), (1296, 15202), (1382, 14256), (1584, 12438), (1782, 11056), (2073, 9504), (2376, 8292), (2592, 7601), (2764, 7128), (3168, 6219), (3564, 5528), (4146, 4752)]