19684041

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 9709239

約数列:

[1, 3, 13, 39, 53, 89, 107, 159, 267, 321, 689, 1157, 1391, 2067, 3471, 4173, 4717, 5671, 9523, 14151, 17013, 28569, 61321, 73723, 123799, 183963, 221169, 371397, 504719, 1514157, 6561347, 19684041]

約数ペア:

[(1, 19684041), (3, 6561347), (13, 1514157), (39, 504719), (53, 371397), (89, 221169), (107, 183963), (159, 123799), (267, 73723), (321, 61321), (689, 28569), (1157, 17013), (1391, 14151), (2067, 9523), (3471, 5671), (4173, 4717)]