18891378

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 45298656

約数和(自身を除く): 26407278

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 73, 99, 146, 198, 219, 438, 657, 803, 1307, 1314, 1606, 2409, 2614, 3921, 4818, 7227, 7842, 11763, 14377, 14454, 23526, 28754, 43131, 86262, 95411, 129393, 190822, 258786, 286233, 572466, 858699, 1049521, 1717398, 2099042, 3148563, 6297126, 9445689, 18891378]

約数ペア:

[(1, 18891378), (2, 9445689), (3, 6297126), (6, 3148563), (9, 2099042), (11, 1717398), (18, 1049521), (22, 858699), (33, 572466), (66, 286233), (73, 258786), (99, 190822), (146, 129393), (198, 95411), (219, 86262), (438, 43131), (657, 28754), (803, 23526), (1307, 14454), (1314, 14377), (1606, 11763), (2409, 7842), (2614, 7227), (3921, 4818)]