18195387

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4787}}^1$

素因数の和:4978

約数の個数: 16

約数和(自身を含む): 27885312

約数和(自身を除く): 9689925

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4787, 14361, 33509, 100527, 866447, 2599341, 6065129, 18195387]

約数ペア:

[(1, 18195387), (3, 6065129), (7, 2599341), (21, 866447), (181, 100527), (543, 33509), (1267, 14361), (3801, 4787)]