18520272

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1057

約数の個数: 80

約数和(自身を含む): 54450880

約数和(自身を除く): 35930608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 997, 1032, 1161, 1548, 1994, 2064, 2322, 2991, 3096, 3988, 4644, 5982, 6192, 7976, 8973, 9288, 11964, 15952, 17946, 18576, 23928, 26919, 35892, 42871, 47856, 53838, 71784, 85742, 107676, 128613, 143568, 171484, 215352, 257226, 342968, 385839, 430704, 514452, 685936, 771678, 1028904, 1157517, 1543356, 2057808, 2315034, 3086712, 4630068, 6173424, 9260136, 18520272]

約数ペア:

[(1, 18520272), (2, 9260136), (3, 6173424), (4, 4630068), (6, 3086712), (8, 2315034), (9, 2057808), (12, 1543356), (16, 1157517), (18, 1028904), (24, 771678), (27, 685936), (36, 514452), (43, 430704), (48, 385839), (54, 342968), (72, 257226), (86, 215352), (108, 171484), (129, 143568), (144, 128613), (172, 107676), (216, 85742), (258, 71784), (344, 53838), (387, 47856), (432, 42871), (516, 35892), (688, 26919), (774, 23928), (997, 18576), (1032, 17946), (1161, 15952), (1548, 11964), (1994, 9288), (2064, 8973), (2322, 7976), (2991, 6192), (3096, 5982), (3988, 4644)]