18712278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79967}}^1$

素因数の和:79988

約数の個数: 24

約数和(自身を含む): 43662528

約数和(自身を除く): 24950250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 79967, 159934, 239901, 479802, 719703, 1039571, 1439406, 2079142, 3118713, 6237426, 9356139, 18712278]

約数ペア:

[(1, 18712278), (2, 9356139), (3, 6237426), (6, 3118713), (9, 2079142), (13, 1439406), (18, 1039571), (26, 719703), (39, 479802), (78, 239901), (117, 159934), (234, 79967)]