16889978

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{38917}}^1$

素因数の和:38957

約数の個数: 16

約数和(自身を含む): 29889024

約数和(自身を除く): 12999046

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 38917, 77834, 272419, 544838, 1206427, 2412854, 8444989, 16889978]

約数ペア:

[(1, 16889978), (2, 8444989), (7, 2412854), (14, 1206427), (31, 544838), (62, 272419), (217, 77834), (434, 38917)]