18333119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 3842881

約数列:

[1, 7, 19, 133, 307, 449, 2149, 3143, 5833, 8531, 40831, 59717, 137843, 964901, 2619017, 18333119]

約数ペア:

[(1, 18333119), (7, 2619017), (19, 964901), (133, 137843), (307, 59717), (449, 40831), (2149, 8531), (3143, 5833)]