18724576

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 25304864

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 76, 92, 103, 104, 152, 184, 206, 208, 247, 299, 304, 368, 412, 416, 437, 494, 598, 608, 736, 824, 874, 988, 1196, 1339, 1648, 1748, 1957, 1976, 2369, 2392, 2678, 3296, 3496, 3914, 3952, 4738, 4784, 5356, 5681, 6992, 7828, 7904, 9476, 9568, 10712, 11362, 13984, 15656, 18952, 21424, 22724, 25441, 30797, 31312, 37904, 42848, 45011, 45448, 50882, 61594, 62624, 75808, 90022, 90896, 101764, 123188, 180044, 181792, 203528, 246376, 360088, 407056, 492752, 585143, 720176, 814112, 985504, 1170286, 1440352, 2340572, 4681144, 9362288, 18724576]

約数ペア:

[(1, 18724576), (2, 9362288), (4, 4681144), (8, 2340572), (13, 1440352), (16, 1170286), (19, 985504), (23, 814112), (26, 720176), (32, 585143), (38, 492752), (46, 407056), (52, 360088), (76, 246376), (92, 203528), (103, 181792), (104, 180044), (152, 123188), (184, 101764), (206, 90896), (208, 90022), (247, 75808), (299, 62624), (304, 61594), (368, 50882), (412, 45448), (416, 45011), (437, 42848), (494, 37904), (598, 31312), (608, 30797), (736, 25441), (824, 22724), (874, 21424), (988, 18952), (1196, 15656), (1339, 13984), (1648, 11362), (1748, 10712), (1957, 9568), (1976, 9476), (2369, 7904), (2392, 7828), (2678, 6992), (3296, 5681), (3496, 5356), (3914, 4784), (3952, 4738)]