19998146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75181}}^1$

素因数の和:75209

約数の個数: 16

約数和(自身を含む): 36087360

約数和(自身を除く): 16089214

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75181, 150362, 526267, 1052534, 1428439, 2856878, 9999073, 19998146]

約数ペア:

[(1, 19998146), (2, 9999073), (7, 2856878), (14, 1428439), (19, 1052534), (38, 526267), (133, 150362), (266, 75181)]