18479344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88843}}^1$

素因数の和:88864

約数の個数: 20

約数和(自身を含む): 38558296

約数和(自身を除く): 20078952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88843, 177686, 355372, 710744, 1154959, 1421488, 2309918, 4619836, 9239672, 18479344]

約数ペア:

[(1, 18479344), (2, 9239672), (4, 4619836), (8, 2309918), (13, 1421488), (16, 1154959), (26, 710744), (52, 355372), (104, 177686), (208, 88843)]