18289611

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{12781}}^1$

素因数の和:12843

約数の個数: 16

約数和(自身を含む): 27609120

約数和(自身を除く): 9319509

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 12781, 38343, 115029, 345087, 677393, 2032179, 6096537, 18289611]

約数ペア:

[(1, 18289611), (3, 6096537), (9, 2032179), (27, 677393), (53, 345087), (159, 115029), (477, 38343), (1431, 12781)]