19875285

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4373}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 34799544

約数和(自身を除く): 14924259

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4373, 4545, 13119, 21865, 39357, 65595, 196785, 441673, 1325019, 2208365, 3975057, 6625095, 19875285]

約数ペア:

[(1, 19875285), (3, 6625095), (5, 3975057), (9, 2208365), (15, 1325019), (45, 441673), (101, 196785), (303, 65595), (505, 39357), (909, 21865), (1515, 13119), (4373, 4545)]