19649968165

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1\times {\mathrm{64891}}^1$

素因数の和:65820

約数の個数: 16

約数和(自身を含む): 23940475776

約数和(自身を除く): 4290507611

約数列:

[1, 5, 71, 355, 853, 4265, 60563, 64891, 302815, 324455, 4607261, 23036305, 55352023, 276760115, 3929993633, 19649968165]

約数ペア:

[(1, 19649968165), (5, 3929993633), (71, 276760115), (355, 55352023), (853, 23036305), (4265, 4607261), (60563, 324455), (64891, 302815)]