18721148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 17857156

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 83, 107, 124, 166, 214, 332, 428, 527, 1054, 1411, 1819, 2108, 2573, 2822, 3317, 3638, 5146, 5644, 6634, 7276, 8881, 10292, 13268, 17762, 35524, 43741, 56389, 87482, 112778, 150977, 174964, 225556, 275311, 301954, 550622, 603908, 1101244, 4680287, 9360574, 18721148]

約数ペア:

[(1, 18721148), (2, 9360574), (4, 4680287), (17, 1101244), (31, 603908), (34, 550622), (62, 301954), (68, 275311), (83, 225556), (107, 174964), (124, 150977), (166, 112778), (214, 87482), (332, 56389), (428, 43741), (527, 35524), (1054, 17762), (1411, 13268), (1819, 10292), (2108, 8881), (2573, 7276), (2822, 6634), (3317, 5644), (3638, 5146)]