19498138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13575782

約数列:

[1, 2, 11, 22, 47, 94, 109, 173, 218, 346, 517, 1034, 1199, 1903, 2398, 3806, 5123, 8131, 10246, 16262, 18857, 37714, 56353, 89441, 112706, 178882, 207427, 414854, 886279, 1772558, 9749069, 19498138]

約数ペア:

[(1, 19498138), (2, 9749069), (11, 1772558), (22, 886279), (47, 414854), (94, 207427), (109, 178882), (173, 112706), (218, 89441), (346, 56353), (517, 37714), (1034, 18857), (1199, 16262), (1903, 10246), (2398, 8131), (3806, 5123)]