20181978168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{28837}}^1$

素因数の和:29109

約数の個数: 96

約数和(自身を含む): 55690792080

約数和(自身を除く): 35508813912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 241, 242, 264, 363, 482, 484, 723, 726, 964, 968, 1446, 1452, 1928, 2651, 2892, 2904, 5302, 5784, 7953, 10604, 15906, 21208, 28837, 29161, 31812, 57674, 58322, 63624, 86511, 87483, 115348, 116644, 173022, 174966, 230696, 233288, 317207, 346044, 349932, 634414, 692088, 699864, 951621, 1268828, 1903242, 2537656, 3489277, 3806484, 6949717, 6978554, 7612968, 10467831, 13899434, 13957108, 20849151, 20935662, 27798868, 27914216, 41698302, 41871324, 55597736, 76446887, 83396604, 83742648, 152893774, 166793208, 229340661, 305787548, 458681322, 611575096, 840915757, 917362644, 1681831514, 1834725288, 2522747271, 3363663028, 5045494542, 6727326056, 10090989084, 20181978168]

約数ペア:

[(1, 20181978168), (2, 10090989084), (3, 6727326056), (4, 5045494542), (6, 3363663028), (8, 2522747271), (11, 1834725288), (12, 1681831514), (22, 917362644), (24, 840915757), (33, 611575096), (44, 458681322), (66, 305787548), (88, 229340661), (121, 166793208), (132, 152893774), (241, 83742648), (242, 83396604), (264, 76446887), (363, 55597736), (482, 41871324), (484, 41698302), (723, 27914216), (726, 27798868), (964, 20935662), (968, 20849151), (1446, 13957108), (1452, 13899434), (1928, 10467831), (2651, 7612968), (2892, 6978554), (2904, 6949717), (5302, 3806484), (5784, 3489277), (7953, 2537656), (10604, 1903242), (15906, 1268828), (21208, 951621), (28837, 699864), (29161, 692088), (31812, 634414), (57674, 349932), (58322, 346044), (63624, 317207), (86511, 233288), (87483, 230696), (115348, 174966), (116644, 173022)]