19091085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 35100864

約数和(自身を除く): 16009779

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 443, 507, 663, 845, 1105, 1329, 2215, 2535, 2873, 3315, 5759, 6645, 7531, 8619, 14365, 17277, 22593, 28795, 37655, 43095, 74867, 86385, 97903, 112965, 224601, 293709, 374335, 489515, 1123005, 1272739, 1468545, 3818217, 6363695, 19091085]

約数ペア:

[(1, 19091085), (3, 6363695), (5, 3818217), (13, 1468545), (15, 1272739), (17, 1123005), (39, 489515), (51, 374335), (65, 293709), (85, 224601), (169, 112965), (195, 97903), (221, 86385), (255, 74867), (443, 43095), (507, 37655), (663, 28795), (845, 22593), (1105, 17277), (1329, 14365), (2215, 8619), (2535, 7531), (2873, 6645), (3315, 5759)]