19033287

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 32606208

約数和(自身を除く): 13572921

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 169, 173, 217, 273, 403, 507, 519, 651, 1183, 1209, 1211, 2249, 2821, 3549, 3633, 5239, 5363, 6747, 8463, 15717, 15743, 16089, 29237, 36673, 37541, 47229, 69719, 87711, 110019, 112623, 204659, 209157, 488033, 613977, 906347, 1464099, 2719041, 6344429, 19033287]

約数ペア:

[(1, 19033287), (3, 6344429), (7, 2719041), (13, 1464099), (21, 906347), (31, 613977), (39, 488033), (91, 209157), (93, 204659), (169, 112623), (173, 110019), (217, 87711), (273, 69719), (403, 47229), (507, 37541), (519, 36673), (651, 29237), (1183, 16089), (1209, 15743), (1211, 15717), (2249, 8463), (2821, 6747), (3549, 5363), (3633, 5239)]