19017274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 29880000

約数和(自身を除く): 10862726

約数列:

[1, 2, 23, 46, 331, 662, 1249, 2498, 7613, 15226, 28727, 57454, 413419, 826838, 9508637, 19017274]

約数ペア:

[(1, 19017274), (2, 9508637), (23, 826838), (46, 413419), (331, 57454), (662, 28727), (1249, 15226), (2498, 7613)]