18734768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90071}}^1$

素因数の和:90092

約数の個数: 20

約数和(自身を含む): 39091248

約数和(自身を除く): 20356480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90071, 180142, 360284, 720568, 1170923, 1441136, 2341846, 4683692, 9367384, 18734768]

約数ペア:

[(1, 18734768), (2, 9367384), (4, 4683692), (8, 2341846), (13, 1441136), (16, 1170923), (26, 720568), (52, 360284), (104, 180142), (208, 90071)]