19691347959

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{132257}}^1$

素因数の和:132567

約数の個数: 24

約数和(自身を含む): 28967676192

約数和(自身を除く): 9276328233

約数列:

[1, 3, 9, 71, 213, 233, 639, 699, 2097, 16543, 49629, 132257, 148887, 396771, 1190313, 9390247, 28170741, 30815881, 84512223, 92447643, 277342929, 2187927551, 6563782653, 19691347959]

約数ペア:

[(1, 19691347959), (3, 6563782653), (9, 2187927551), (71, 277342929), (213, 92447643), (233, 84512223), (639, 30815881), (699, 28170741), (2097, 9390247), (16543, 1190313), (49629, 396771), (132257, 148887)]