19425705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 34433280

約数和(自身を除く): 15007575

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 97, 169, 195, 237, 291, 395, 485, 507, 845, 1027, 1185, 1261, 1455, 2535, 3081, 3783, 5135, 6305, 7663, 13351, 15405, 16393, 18915, 22989, 38315, 40053, 49179, 66755, 81965, 99619, 114945, 200265, 245895, 298857, 498095, 1295047, 1494285, 3885141, 6475235, 19425705]

約数ペア:

[(1, 19425705), (3, 6475235), (5, 3885141), (13, 1494285), (15, 1295047), (39, 498095), (65, 298857), (79, 245895), (97, 200265), (169, 114945), (195, 99619), (237, 81965), (291, 66755), (395, 49179), (485, 40053), (507, 38315), (845, 22989), (1027, 18915), (1185, 16393), (1261, 15405), (1455, 13351), (2535, 7663), (3081, 6305), (3783, 5135)]