18722011

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 25067520

約数和(自身を除く): 6345509

約数列:

[1, 7, 11, 19, 67, 77, 133, 191, 209, 469, 737, 1273, 1337, 1463, 2101, 3629, 5159, 8911, 12797, 14003, 14707, 25403, 39919, 89579, 98021, 140767, 243143, 279433, 985369, 1702001, 2674573, 18722011]

約数ペア:

[(1, 18722011), (7, 2674573), (11, 1702001), (19, 985369), (67, 279433), (77, 243143), (133, 140767), (191, 98021), (209, 89579), (469, 39919), (737, 25403), (1273, 14707), (1337, 14003), (1463, 12797), (2101, 8911), (3629, 5159)]