18219856304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87595463}}^1$

素因数の和:87595484

約数の個数: 20

約数和(自身を含む): 38016431376

約数和(自身を除く): 19796575072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87595463, 175190926, 350381852, 700763704, 1138741019, 1401527408, 2277482038, 4554964076, 9109928152, 18219856304]

約数ペア:

[(1, 18219856304), (2, 9109928152), (4, 4554964076), (8, 2277482038), (13, 1401527408), (16, 1138741019), (26, 700763704), (52, 350381852), (104, 175190926), (208, 87595463)]