18675423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 31682560

約数和(自身を除く): 13007137

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 271, 279, 403, 589, 741, 813, 1209, 1767, 2223, 2439, 3523, 3627, 5149, 5301, 7657, 8401, 10569, 15447, 22971, 25203, 31707, 46341, 66937, 68913, 75609, 109213, 159619, 200811, 327639, 478857, 602433, 982917, 1436571, 2075047, 6225141, 18675423]

約数ペア:

[(1, 18675423), (3, 6225141), (9, 2075047), (13, 1436571), (19, 982917), (31, 602433), (39, 478857), (57, 327639), (93, 200811), (117, 159619), (171, 109213), (247, 75609), (271, 68913), (279, 66937), (403, 46341), (589, 31707), (741, 25203), (813, 22971), (1209, 15447), (1767, 10569), (2223, 8401), (2439, 7657), (3523, 5301), (3627, 5149)]