18690568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179717}}^1$

素因数の和:179736

約数の個数: 16

約数和(自身を含む): 37740780

約数和(自身を除く): 19050212

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179717, 359434, 718868, 1437736, 2336321, 4672642, 9345284, 18690568]

約数ペア:

[(1, 18690568), (2, 9345284), (4, 4672642), (8, 2336321), (13, 1437736), (26, 718868), (52, 359434), (104, 179717)]