19493342

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:872

約数の個数: 24

約数和(自身を含む): 32478600

約数和(自身を除く): 12985258

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 739, 1199, 1478, 2398, 8129, 13189, 16258, 26378, 80551, 89419, 161102, 178838, 886061, 1772122, 9746671, 19493342]

約数ペア:

[(1, 19493342), (2, 9746671), (11, 1772122), (22, 886061), (109, 178838), (121, 161102), (218, 89419), (242, 80551), (739, 26378), (1199, 16258), (1478, 13189), (2398, 8129)]