18561296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89237}}^1$

素因数の和:89258

約数の個数: 20

約数和(自身を含む): 38729292

約数和(自身を除く): 20167996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89237, 178474, 356948, 713896, 1160081, 1427792, 2320162, 4640324, 9280648, 18561296]

約数ペア:

[(1, 18561296), (2, 9280648), (4, 4640324), (8, 2320162), (13, 1427792), (16, 1160081), (26, 713896), (52, 356948), (104, 178474), (208, 89237)]