18889982878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1725743}}^1$

素因数の和:1726179

約数の個数: 16

約数和(自身を含む): 30587086656

約数和(自身を除く): 11697103778

約数列:

[1, 2, 13, 26, 421, 842, 5473, 10946, 1725743, 3451486, 22434659, 44869318, 726537803, 1453075606, 9444991439, 18889982878]

約数ペア:

[(1, 18889982878), (2, 9444991439), (13, 1453075606), (26, 726537803), (421, 44869318), (842, 22434659), (5473, 3451486), (10946, 1725743)]