18813982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 32749920

約数和(自身を除く): 13935938

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 797, 814, 1073, 1594, 2146, 8767, 11803, 17534, 23113, 23606, 29489, 46226, 58978, 254243, 324379, 508486, 648758, 855181, 1710362, 9406991, 18813982]

約数ペア:

[(1, 18813982), (2, 9406991), (11, 1710362), (22, 855181), (29, 648758), (37, 508486), (58, 324379), (74, 254243), (319, 58978), (407, 46226), (638, 29489), (797, 23606), (814, 23113), (1073, 17534), (1594, 11803), (2146, 8767)]