18863104

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 66

約数和(自身を含む): 41206110

約数和(自身を除く): 22343006

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 128, 169, 208, 218, 256, 338, 416, 436, 512, 676, 832, 872, 1024, 1352, 1417, 1664, 1744, 2704, 2834, 3328, 3488, 5408, 5668, 6656, 6976, 10816, 11336, 13312, 13952, 18421, 21632, 22672, 27904, 36842, 43264, 45344, 55808, 73684, 86528, 90688, 111616, 147368, 173056, 181376, 294736, 362752, 589472, 725504, 1178944, 1451008, 2357888, 4715776, 9431552, 18863104]

約数ペア:

[(1, 18863104), (2, 9431552), (4, 4715776), (8, 2357888), (13, 1451008), (16, 1178944), (26, 725504), (32, 589472), (52, 362752), (64, 294736), (104, 181376), (109, 173056), (128, 147368), (169, 111616), (208, 90688), (218, 86528), (256, 73684), (338, 55808), (416, 45344), (436, 43264), (512, 36842), (676, 27904), (832, 22672), (872, 21632), (1024, 18421), (1352, 13952), (1417, 13312), (1664, 11336), (1744, 10816), (2704, 6976), (2834, 6656), (3328, 5668), (3488, 5408)]