19639838

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3917}}^1$

素因数の和:4051

約数の個数: 16

約数和(自身を含む): 31030560

約数和(自身を除く): 11390722

約数列:

[1, 2, 23, 46, 109, 218, 2507, 3917, 5014, 7834, 90091, 180182, 426953, 853906, 9819919, 19639838]

約数ペア:

[(1, 19639838), (2, 9819919), (23, 853906), (46, 426953), (109, 180182), (218, 90091), (2507, 7834), (3917, 5014)]