18991314

素因数分解:

$2^1\times 3^3\times {\mathrm{351691}}^1$

素因数の和:351702

約数の個数: 16

約数和(自身を含む): 42203040

約数和(自身を除く): 23211726

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 351691, 703382, 1055073, 2110146, 3165219, 6330438, 9495657, 18991314]

約数ペア:

[(1, 18991314), (2, 9495657), (3, 6330438), (6, 3165219), (9, 2110146), (18, 1055073), (27, 703382), (54, 351691)]