19740203

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 23347200

約数和(自身を除く): 3606997

約数列:

[1, 7, 37, 199, 259, 383, 1393, 2681, 7363, 14171, 51541, 76217, 99197, 533519, 2820029, 19740203]

約数ペア:

[(1, 19740203), (7, 2820029), (37, 533519), (199, 99197), (259, 76217), (383, 51541), (1393, 14171), (2681, 7363)]