18996820906

素因数分解:

$2^1\times 7^1\times {\mathrm{110977}}^1\times {\mathrm{12227}}^1$

素因数の和:123213

約数の個数: 16

約数和(自身を含む): 32568935616

約数和(自身を除く): 13572114710

約数列:

[1, 2, 7, 14, 12227, 24454, 85589, 110977, 171178, 221954, 776839, 1553678, 1356915779, 2713831558, 9498410453, 18996820906]

約数ペア:

[(1, 18996820906), (2, 9498410453), (7, 2713831558), (14, 1356915779), (12227, 1553678), (24454, 776839), (85589, 221954), (110977, 171178)]