19758706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 13771406

約数列:

[1, 2, 11, 22, 47, 94, 97, 194, 197, 394, 517, 1034, 1067, 2134, 2167, 4334, 4559, 9118, 9259, 18518, 19109, 38218, 50149, 100298, 101849, 203698, 210199, 420398, 898123, 1796246, 9879353, 19758706]

約数ペア:

[(1, 19758706), (2, 9879353), (11, 1796246), (22, 898123), (47, 420398), (94, 210199), (97, 203698), (194, 101849), (197, 100298), (394, 50149), (517, 38218), (1034, 19109), (1067, 18518), (2134, 9259), (2167, 9118), (4334, 4559)]