19814265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 17251335

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 59, 85, 153, 177, 255, 295, 439, 531, 765, 885, 1003, 1317, 2195, 2655, 3009, 3951, 5015, 6585, 7463, 9027, 15045, 19755, 22389, 25901, 37315, 45135, 67167, 77703, 111945, 129505, 233109, 335835, 388515, 440317, 1165545, 1320951, 2201585, 3962853, 6604755, 19814265]

約数ペア:

[(1, 19814265), (3, 6604755), (5, 3962853), (9, 2201585), (15, 1320951), (17, 1165545), (45, 440317), (51, 388515), (59, 335835), (85, 233109), (153, 129505), (177, 111945), (255, 77703), (295, 67167), (439, 45135), (531, 37315), (765, 25901), (885, 22389), (1003, 19755), (1317, 15045), (2195, 9027), (2655, 7463), (3009, 6585), (3951, 5015)]