18238440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 61326720

約数和(自身を除く): 43088280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 337, 410, 440, 451, 492, 615, 660, 674, 820, 902, 984, 1011, 1230, 1320, 1348, 1353, 1640, 1685, 1804, 2022, 2255, 2460, 2696, 2706, 3370, 3608, 3707, 4044, 4510, 4920, 5055, 5412, 6740, 6765, 7414, 8088, 9020, 10110, 10824, 11121, 13480, 13530, 13817, 14828, 18040, 18535, 20220, 22242, 27060, 27634, 29656, 37070, 40440, 41451, 44484, 54120, 55268, 55605, 69085, 74140, 82902, 88968, 110536, 111210, 138170, 148280, 151987, 165804, 207255, 222420, 276340, 303974, 331608, 414510, 444840, 455961, 552680, 607948, 759935, 829020, 911922, 1215896, 1519870, 1658040, 1823844, 2279805, 3039740, 3647688, 4559610, 6079480, 9119220, 18238440]

約数ペア:

[(1, 18238440), (2, 9119220), (3, 6079480), (4, 4559610), (5, 3647688), (6, 3039740), (8, 2279805), (10, 1823844), (11, 1658040), (12, 1519870), (15, 1215896), (20, 911922), (22, 829020), (24, 759935), (30, 607948), (33, 552680), (40, 455961), (41, 444840), (44, 414510), (55, 331608), (60, 303974), (66, 276340), (82, 222420), (88, 207255), (110, 165804), (120, 151987), (123, 148280), (132, 138170), (164, 111210), (165, 110536), (205, 88968), (220, 82902), (246, 74140), (264, 69085), (328, 55605), (330, 55268), (337, 54120), (410, 44484), (440, 41451), (451, 40440), (492, 37070), (615, 29656), (660, 27634), (674, 27060), (820, 22242), (902, 20220), (984, 18535), (1011, 18040), (1230, 14828), (1320, 13817), (1348, 13530), (1353, 13480), (1640, 11121), (1685, 10824), (1804, 10110), (2022, 9020), (2255, 8088), (2460, 7414), (2696, 6765), (2706, 6740), (3370, 5412), (3608, 5055), (3707, 4920), (4044, 4510)]