18971350

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7159}}^1$

素因数の和:7224

約数の個数: 24

約数和(自身を含む): 35957520

約数和(自身を除く): 16986170

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7159, 14318, 35795, 71590, 178975, 357950, 379427, 758854, 1897135, 3794270, 9485675, 18971350]

約数ペア:

[(1, 18971350), (2, 9485675), (5, 3794270), (10, 1897135), (25, 758854), (50, 379427), (53, 357950), (106, 178975), (265, 71590), (530, 35795), (1325, 14318), (2650, 7159)]