19783652

素因数分解:

$2^2\times 7^2\times {\mathrm{100937}}^1$

素因数の和:100955

約数の個数: 18

約数和(自身を含む): 40274262

約数和(自身を除く): 20490610

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 100937, 201874, 403748, 706559, 1413118, 2826236, 4945913, 9891826, 19783652]

約数ペア:

[(1, 19783652), (2, 9891826), (4, 4945913), (7, 2826236), (14, 1413118), (28, 706559), (49, 403748), (98, 201874), (196, 100937)]