19629995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 29846016

約数和(自身を除く): 10216021

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 737, 761, 2345, 3685, 3805, 5159, 5327, 8371, 25795, 26635, 41855, 50987, 58597, 254935, 292985, 356909, 560857, 1784545, 2804285, 3925999, 19629995]

約数ペア:

[(1, 19629995), (5, 3925999), (7, 2804285), (11, 1784545), (35, 560857), (55, 356909), (67, 292985), (77, 254935), (335, 58597), (385, 50987), (469, 41855), (737, 26635), (761, 25795), (2345, 8371), (3685, 5327), (3805, 5159)]