18856782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1373}}^1$

素因数の和:1497

約数の個数: 48

約数和(自身を含む): 47155680

約数和(自身を除く): 28298898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1373, 1526, 1962, 2289, 2746, 4119, 4578, 6867, 8238, 9611, 12357, 13734, 19222, 24714, 28833, 57666, 86499, 149657, 172998, 299314, 448971, 897942, 1047599, 1346913, 2095198, 2693826, 3142797, 6285594, 9428391, 18856782]

約数ペア:

[(1, 18856782), (2, 9428391), (3, 6285594), (6, 3142797), (7, 2693826), (9, 2095198), (14, 1346913), (18, 1047599), (21, 897942), (42, 448971), (63, 299314), (109, 172998), (126, 149657), (218, 86499), (327, 57666), (654, 28833), (763, 24714), (981, 19222), (1373, 13734), (1526, 12357), (1962, 9611), (2289, 8238), (2746, 6867), (4119, 4578)]