18324873

素因数分解:

$3^9\times 7^2\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 60

約数和(自身を含む): 33657360

約数和(自身を除く): 15332487

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 243, 399, 441, 513, 567, 729, 931, 1197, 1323, 1539, 1701, 2187, 2793, 3591, 3969, 4617, 5103, 6561, 8379, 10773, 11907, 13851, 15309, 19683, 25137, 32319, 35721, 41553, 45927, 75411, 96957, 107163, 124659, 137781, 226233, 290871, 321489, 373977, 678699, 872613, 964467, 2036097, 2617839, 6108291, 18324873]

約数ペア:

[(1, 18324873), (3, 6108291), (7, 2617839), (9, 2036097), (19, 964467), (21, 872613), (27, 678699), (49, 373977), (57, 321489), (63, 290871), (81, 226233), (133, 137781), (147, 124659), (171, 107163), (189, 96957), (243, 75411), (399, 45927), (441, 41553), (513, 35721), (567, 32319), (729, 25137), (931, 19683), (1197, 15309), (1323, 13851), (1539, 11907), (1701, 10773), (2187, 8379), (2793, 6561), (3591, 5103), (3969, 4617)]