19780202685

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3301}}^1\times {\mathrm{4813}}^1$

素因数の和:8205

約数の個数: 32

約数和(自身を含む): 32045989248

約数和(自身を除く): 12265786563

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 3301, 4813, 9903, 14439, 16505, 24065, 49515, 72195, 273983, 399479, 821949, 1198437, 1369915, 1997395, 4109745, 5992185, 15887713, 47663139, 79438565, 238315695, 1318680179, 3956040537, 6593400895, 19780202685]

約数ペア:

[(1, 19780202685), (3, 6593400895), (5, 3956040537), (15, 1318680179), (83, 238315695), (249, 79438565), (415, 47663139), (1245, 15887713), (3301, 5992185), (4813, 4109745), (9903, 1997395), (14439, 1369915), (16505, 1198437), (24065, 821949), (49515, 399479), (72195, 273983)]