19005347949

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1\times {\mathrm{32381}}^1$

素因数の和:33881

約数の個数: 32

約数和(自身を含む): 30506434560

約数和(自身を除く): 11501086611

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1471, 4413, 10297, 27949, 30891, 32381, 83847, 97143, 195643, 226667, 586929, 615239, 680001, 1845717, 4306673, 12920019, 47632451, 142897353, 333427157, 905016569, 1000281471, 2715049707, 6335115983, 19005347949]

約数ペア:

[(1, 19005347949), (3, 6335115983), (7, 2715049707), (19, 1000281471), (21, 905016569), (57, 333427157), (133, 142897353), (399, 47632451), (1471, 12920019), (4413, 4306673), (10297, 1845717), (27949, 680001), (30891, 615239), (32381, 586929), (83847, 226667), (97143, 195643)]