19664405

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4527595

約数列:

[1, 5, 59, 191, 295, 349, 955, 1745, 11269, 20591, 56345, 66659, 102955, 333295, 3932881, 19664405]

約数ペア:

[(1, 19664405), (5, 3932881), (59, 333295), (191, 102955), (295, 66659), (349, 56345), (955, 20591), (1745, 11269)]