18888849

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13367151

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 719, 973, 1251, 2157, 2919, 3753, 5033, 6471, 8757, 15099, 19413, 26271, 45297, 99941, 135891, 299823, 699587, 899469, 2098761, 2698407, 6296283, 18888849]

約数ペア:

[(1, 18888849), (3, 6296283), (7, 2698407), (9, 2098761), (21, 899469), (27, 699587), (63, 299823), (139, 135891), (189, 99941), (417, 45297), (719, 26271), (973, 19413), (1251, 15099), (2157, 8757), (2919, 6471), (3753, 5033)]