19691385295

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1\times {\mathrm{40427}}^1$

素因数の和:42090

約数の個数: 16

約数和(自身を含む): 24032667168

約数和(自身を除く): 4341281873

約数列:

[1, 5, 61, 305, 1597, 7985, 40427, 97417, 202135, 487085, 2466047, 12330235, 64561919, 322809595, 3938277059, 19691385295]

約数ペア:

[(1, 19691385295), (5, 3938277059), (61, 322809595), (305, 64561919), (1597, 12330235), (7985, 2466047), (40427, 487085), (97417, 202135)]