17968821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1069}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 25885440

約数和(自身を除く): 7916619

約数列:

[1, 3, 13, 39, 431, 1069, 1293, 3207, 5603, 13897, 16809, 41691, 460739, 1382217, 5989607, 17968821]

約数ペア:

[(1, 17968821), (3, 5989607), (13, 1382217), (39, 460739), (431, 41691), (1069, 16809), (1293, 13897), (3207, 5603)]