18943314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242863}}^1$

素因数の和:242881

約数の個数: 16

約数和(自身を含む): 40801152

約数和(自身を除く): 21857838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242863, 485726, 728589, 1457178, 3157219, 6314438, 9471657, 18943314]

約数ペア:

[(1, 18943314), (2, 9471657), (3, 6314438), (6, 3157219), (13, 1457178), (26, 728589), (39, 485726), (78, 242863)]