18363928

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 38591280

約数和(自身を除く): 20227352

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 121, 122, 242, 244, 311, 484, 488, 622, 671, 968, 1244, 1342, 2488, 2684, 3421, 5368, 6842, 7381, 13684, 14762, 18971, 27368, 29524, 37631, 37942, 59048, 75262, 75884, 150524, 151768, 208681, 301048, 417362, 834724, 1669448, 2295491, 4590982, 9181964, 18363928]

約数ペア:

[(1, 18363928), (2, 9181964), (4, 4590982), (8, 2295491), (11, 1669448), (22, 834724), (44, 417362), (61, 301048), (88, 208681), (121, 151768), (122, 150524), (242, 75884), (244, 75262), (311, 59048), (484, 37942), (488, 37631), (622, 29524), (671, 27368), (968, 18971), (1244, 14762), (1342, 13684), (2488, 7381), (2684, 6842), (3421, 5368)]