18938166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242797}}^1$

素因数の和:242815

約数の個数: 16

約数和(自身を含む): 40790064

約数和(自身を除く): 21851898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242797, 485594, 728391, 1456782, 3156361, 6312722, 9469083, 18938166]

約数ペア:

[(1, 18938166), (2, 9469083), (3, 6312722), (6, 3156361), (13, 1456782), (26, 728391), (39, 485594), (78, 242797)]