1909357490

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{2417}}^1$

素因数の和:3022

約数の個数: 32

約数和(自身を含む): 3464336304

約数和(自身を除く): 1554978814

約数列:

[1, 2, 5, 10, 197, 394, 401, 802, 985, 1970, 2005, 2417, 4010, 4834, 12085, 24170, 78997, 157994, 394985, 476149, 789970, 952298, 969217, 1938434, 2380745, 4761490, 4846085, 9692170, 190935749, 381871498, 954678745, 1909357490]

約数ペア:

[(1, 1909357490), (2, 954678745), (5, 381871498), (10, 190935749), (197, 9692170), (394, 4846085), (401, 4761490), (802, 2380745), (985, 1938434), (1970, 969217), (2005, 952298), (2417, 789970), (4010, 476149), (4834, 394985), (12085, 157994), (24170, 78997)]