18387950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 39533184

約数和(自身を除く): 21145234

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 107, 175, 214, 350, 491, 535, 749, 982, 1070, 1498, 2455, 2675, 3437, 3745, 4910, 5350, 6874, 7490, 12275, 17185, 18725, 24550, 34370, 37450, 52537, 85925, 105074, 171850, 262685, 367759, 525370, 735518, 1313425, 1838795, 2626850, 3677590, 9193975, 18387950]

約数ペア:

[(1, 18387950), (2, 9193975), (5, 3677590), (7, 2626850), (10, 1838795), (14, 1313425), (25, 735518), (35, 525370), (50, 367759), (70, 262685), (107, 171850), (175, 105074), (214, 85925), (350, 52537), (491, 37450), (535, 34370), (749, 24550), (982, 18725), (1070, 17185), (1498, 12275), (2455, 7490), (2675, 6874), (3437, 5350), (3745, 4910)]