81019418

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{9689}}^1$

素因数の和:9841

約数の個数: 16

約数和(自身を含む): 125931240

約数和(自身を除く): 44911822

約数列:

[1, 2, 37, 74, 113, 226, 4181, 8362, 9689, 19378, 358493, 716986, 1094857, 2189714, 40509709, 81019418]

約数ペア:

[(1, 81019418), (2, 40509709), (37, 2189714), (74, 1094857), (113, 716986), (226, 358493), (4181, 19378), (8362, 9689)]