18838253

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 22848000

約数和(自身を除く): 4009747

約数列:

[1, 7, 19, 133, 139, 973, 1019, 2641, 7133, 18487, 19361, 135527, 141641, 991487, 2691179, 18838253]

約数ペア:

[(1, 18838253), (7, 2691179), (19, 991487), (133, 141641), (139, 135527), (973, 19361), (1019, 18487), (2641, 7133)]