2018974321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{25013}}^1$

素因数の和:25920

約数の個数: 16

約数和(自身を含む): 2487792384

約数和(自身を除く): 468818063

約数列:

[1, 7, 13, 91, 887, 6209, 11531, 25013, 80717, 175091, 325169, 2276183, 22186531, 155305717, 288424903, 2018974321]

約数ペア:

[(1, 2018974321), (7, 288424903), (13, 155305717), (91, 22186531), (887, 2276183), (6209, 325169), (11531, 175091), (25013, 80717)]