18888207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 10787313

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 919, 1209, 1581, 2757, 6851, 11947, 15623, 20553, 28489, 35841, 46869, 85467, 203099, 370357, 484313, 609297, 1111071, 1452939, 6296069, 18888207]

約数ペア:

[(1, 18888207), (3, 6296069), (13, 1452939), (17, 1111071), (31, 609297), (39, 484313), (51, 370357), (93, 203099), (221, 85467), (403, 46869), (527, 35841), (663, 28489), (919, 20553), (1209, 15623), (1581, 11947), (2757, 6851)]