18955917

素因数分解:

$3^3\times {\mathrm{367}}^1\times {\mathrm{1913}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 28174080

約数和(自身を除く): 9218163

約数列:

[1, 3, 9, 27, 367, 1101, 1913, 3303, 5739, 9909, 17217, 51651, 702071, 2106213, 6318639, 18955917]

約数ペア:

[(1, 18955917), (3, 6318639), (9, 2106213), (27, 702071), (367, 51651), (1101, 17217), (1913, 9909), (3303, 5739)]