18517564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6719}}^1$

素因数の和:6789

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 17044676

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 6719, 13438, 26876, 87347, 174694, 349388, 356107, 712214, 1424428, 4629391, 9258782, 18517564]

約数ペア:

[(1, 18517564), (2, 9258782), (4, 4629391), (13, 1424428), (26, 712214), (52, 356107), (53, 349388), (106, 174694), (212, 87347), (689, 26876), (1378, 13438), (2756, 6719)]