19886426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74761}}^1$

素因数の和:74789

約数の個数: 16

約数和(自身を含む): 35885760

約数和(自身を除く): 15999334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74761, 149522, 523327, 1046654, 1420459, 2840918, 9943213, 19886426]

約数ペア:

[(1, 19886426), (2, 9943213), (7, 2840918), (14, 1420459), (19, 1046654), (38, 523327), (133, 149522), (266, 74761)]