18379504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 43434720

約数和(自身を除く): 25055216

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 277, 286, 319, 377, 464, 554, 572, 638, 754, 1108, 1144, 1276, 1508, 2216, 2288, 2552, 3016, 3047, 3601, 4147, 4432, 5104, 6032, 6094, 7202, 8033, 8294, 12188, 14404, 16066, 16588, 24376, 28808, 32132, 33176, 39611, 48752, 57616, 64264, 66352, 79222, 88363, 104429, 128528, 158444, 176726, 208858, 316888, 353452, 417716, 633776, 706904, 835432, 1148719, 1413808, 1670864, 2297438, 4594876, 9189752, 18379504]

約数ペア:

[(1, 18379504), (2, 9189752), (4, 4594876), (8, 2297438), (11, 1670864), (13, 1413808), (16, 1148719), (22, 835432), (26, 706904), (29, 633776), (44, 417716), (52, 353452), (58, 316888), (88, 208858), (104, 176726), (116, 158444), (143, 128528), (176, 104429), (208, 88363), (232, 79222), (277, 66352), (286, 64264), (319, 57616), (377, 48752), (464, 39611), (554, 33176), (572, 32132), (638, 28808), (754, 24376), (1108, 16588), (1144, 16066), (1276, 14404), (1508, 12188), (2216, 8294), (2288, 8033), (2552, 7202), (3016, 6094), (3047, 6032), (3601, 5104), (4147, 4432)]