18685971

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 9566253

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 587, 1179, 1761, 3537, 5283, 10611, 15849, 31833, 47547, 76897, 142641, 230691, 692073, 2076219, 6228657, 18685971]

約数ペア:

[(1, 18685971), (3, 6228657), (9, 2076219), (27, 692073), (81, 230691), (131, 142641), (243, 76897), (393, 47547), (587, 31833), (1179, 15849), (1761, 10611), (3537, 5283)]