19748547

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24113}}^1$

素因数の和:24139

約数の個数: 24

約数和(自身を含む): 35109984

約数和(自身を除く): 15361437

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24113, 72339, 168791, 217017, 313469, 506373, 940407, 1519119, 2194283, 2821221, 6582849, 19748547]

約数ペア:

[(1, 19748547), (3, 6582849), (7, 2821221), (9, 2194283), (13, 1519119), (21, 940407), (39, 506373), (63, 313469), (91, 217017), (117, 168791), (273, 72339), (819, 24113)]