12939038

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6949}}^1$

素因数の和:6984

約数の個数: 24

約数和(自身を含む): 23769000

約数和(自身を除く): 10829962

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 6949, 13898, 48643, 97286, 132031, 264062, 340501, 681002, 924217, 1848434, 6469519, 12939038]

約数ペア:

[(1, 12939038), (2, 6469519), (7, 1848434), (14, 924217), (19, 681002), (38, 340501), (49, 264062), (98, 132031), (133, 97286), (266, 48643), (931, 13898), (1862, 6949)]