18722158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 35786016

約数和(自身を除く): 17063858

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 169, 182, 193, 287, 338, 386, 533, 574, 1066, 1183, 1351, 2366, 2509, 2702, 3731, 5018, 6929, 7462, 7913, 13858, 15826, 17563, 32617, 35126, 48503, 55391, 65234, 97006, 102869, 110782, 205738, 228319, 456638, 720083, 1337297, 1440166, 2674594, 9361079, 18722158]

約数ペア:

[(1, 18722158), (2, 9361079), (7, 2674594), (13, 1440166), (14, 1337297), (26, 720083), (41, 456638), (82, 228319), (91, 205738), (169, 110782), (182, 102869), (193, 97006), (287, 65234), (338, 55391), (386, 48503), (533, 35126), (574, 32617), (1066, 17563), (1183, 15826), (1351, 13858), (2366, 7913), (2509, 7462), (2702, 6929), (3731, 5018)]