18909730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1789}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 39179520

約数和(自身を除く): 20269790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 1789, 2114, 3578, 5285, 8945, 10570, 12523, 17890, 25046, 62615, 125230, 270139, 540278, 1350695, 1890973, 2701390, 3781946, 9454865, 18909730]

約数ペア:

[(1, 18909730), (2, 9454865), (5, 3781946), (7, 2701390), (10, 1890973), (14, 1350695), (35, 540278), (70, 270139), (151, 125230), (302, 62615), (755, 25046), (1057, 17890), (1510, 12523), (1789, 10570), (2114, 8945), (3578, 5285)]