18510807

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12938793

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2729, 6783, 8187, 19103, 46393, 51851, 57309, 139179, 155553, 324751, 362957, 881467, 974253, 1088871, 2644401, 6170269, 18510807]

約数ペア:

[(1, 18510807), (3, 6170269), (7, 2644401), (17, 1088871), (19, 974253), (21, 881467), (51, 362957), (57, 324751), (119, 155553), (133, 139179), (323, 57309), (357, 51851), (399, 46393), (969, 19103), (2261, 8187), (2729, 6783)]