19704568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189467}}^1$

素因数の和:189486

約数の個数: 16

約数和(自身を含む): 39788280

約数和(自身を除く): 20083712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189467, 378934, 757868, 1515736, 2463071, 4926142, 9852284, 19704568]

約数ペア:

[(1, 19704568), (2, 9852284), (4, 4926142), (8, 2463071), (13, 1515736), (26, 757868), (52, 378934), (104, 189467)]