18442970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1559}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 41109120

約数和(自身を除く): 22666150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1559, 1690, 2366, 3118, 5915, 7795, 10913, 11830, 15590, 20267, 21826, 40534, 54565, 101335, 109130, 141869, 202670, 263471, 283738, 526942, 709345, 1317355, 1418690, 1844297, 2634710, 3688594, 9221485, 18442970]

約数ペア:

[(1, 18442970), (2, 9221485), (5, 3688594), (7, 2634710), (10, 1844297), (13, 1418690), (14, 1317355), (26, 709345), (35, 526942), (65, 283738), (70, 263471), (91, 202670), (130, 141869), (169, 109130), (182, 101335), (338, 54565), (455, 40534), (845, 21826), (910, 20267), (1183, 15590), (1559, 11830), (1690, 10913), (2366, 7795), (3118, 5915)]