19382006

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 18440458

約数列:

[1, 2, 7, 14, 17, 31, 34, 37, 62, 71, 74, 119, 142, 217, 238, 259, 434, 497, 518, 527, 629, 994, 1054, 1147, 1207, 1258, 2201, 2294, 2414, 2627, 3689, 4402, 4403, 5254, 7378, 8029, 8449, 8806, 15407, 16058, 16898, 18389, 19499, 30814, 36778, 37417, 38998, 44659, 74834, 81437, 89318, 136493, 162874, 261919, 272986, 312613, 523838, 570059, 625226, 1140118, 1384429, 2768858, 9691003, 19382006]

約数ペア:

[(1, 19382006), (2, 9691003), (7, 2768858), (14, 1384429), (17, 1140118), (31, 625226), (34, 570059), (37, 523838), (62, 312613), (71, 272986), (74, 261919), (119, 162874), (142, 136493), (217, 89318), (238, 81437), (259, 74834), (434, 44659), (497, 38998), (518, 37417), (527, 36778), (629, 30814), (994, 19499), (1054, 18389), (1147, 16898), (1207, 16058), (1258, 15407), (2201, 8806), (2294, 8449), (2414, 8029), (2627, 7378), (3689, 5254), (4402, 4403)]