19658738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13337}}^1$

素因数の和:13417

約数の個数: 16

約数和(自身を含む): 32651424

約数和(自身を除く): 12992686

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13337, 26674, 146707, 293414, 893579, 1787158, 9829369, 19658738]

約数ペア:

[(1, 19658738), (2, 9829369), (11, 1787158), (22, 893579), (67, 293414), (134, 146707), (737, 26674), (1474, 13337)]