19912323279

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1\times {\mathrm{128287}}^1$

素因数の和:129990

約数の個数: 16

約数和(自身を含む): 27422842880

約数和(自身を除く): 7510519601

約数列:

[1, 3, 31, 93, 1669, 5007, 51739, 128287, 155217, 384861, 3976897, 11930691, 214111003, 642333009, 6637441093, 19912323279]

約数ペア:

[(1, 19912323279), (3, 6637441093), (31, 642333009), (93, 214111003), (1669, 11930691), (5007, 3976897), (51739, 384861), (128287, 155217)]