19041418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5003}}^1$

素因数の和:5189

約数の個数: 16

約数和(自身を含む): 31345056

約数和(自身を除く): 12303638

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5003, 10006, 55033, 110066, 865519, 1731038, 9520709, 19041418]

約数ペア:

[(1, 19041418), (2, 9520709), (11, 1731038), (22, 865519), (173, 110066), (346, 55033), (1903, 10006), (3806, 5003)]