19747426

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 30384000

約数和(自身を除く): 10636574

約数列:

[1, 2, 47, 94, 421, 499, 842, 998, 19787, 23453, 39574, 46906, 210079, 420158, 9873713, 19747426]

約数ペア:

[(1, 19747426), (2, 9873713), (47, 420158), (94, 210079), (421, 46906), (499, 39574), (842, 23453), (998, 19787)]