18724446

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:567

約数の個数: 80

約数和(自身を含む): 47933424

約数和(自身を除く): 29208978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 81, 102, 117, 153, 162, 221, 234, 306, 351, 442, 459, 523, 663, 702, 918, 1046, 1053, 1326, 1377, 1569, 1989, 2106, 2754, 3138, 3978, 4707, 5967, 6799, 8891, 9414, 11934, 13598, 14121, 17782, 17901, 20397, 26673, 28242, 35802, 40794, 42363, 53346, 61191, 80019, 84726, 115583, 122382, 160038, 183573, 231166, 240057, 346749, 367146, 480114, 550719, 693498, 720171, 1040247, 1101438, 1440342, 2080494, 3120741, 6241482, 9362223, 18724446]

約数ペア:

[(1, 18724446), (2, 9362223), (3, 6241482), (6, 3120741), (9, 2080494), (13, 1440342), (17, 1101438), (18, 1040247), (26, 720171), (27, 693498), (34, 550719), (39, 480114), (51, 367146), (54, 346749), (78, 240057), (81, 231166), (102, 183573), (117, 160038), (153, 122382), (162, 115583), (221, 84726), (234, 80019), (306, 61191), (351, 53346), (442, 42363), (459, 40794), (523, 35802), (663, 28242), (702, 26673), (918, 20397), (1046, 17901), (1053, 17782), (1326, 14121), (1377, 13598), (1569, 11934), (1989, 9414), (2106, 8891), (2754, 6799), (3138, 5967), (3978, 4707)]