19744991

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{7603}}^1$

素因数の和:7670

約数の個数: 12

約数和(自身を含む): 23405112

約数和(自身を除く): 3660121

約数列:

[1, 7, 49, 53, 371, 2597, 7603, 53221, 372547, 402959, 2820713, 19744991]

約数ペア:

[(1, 19744991), (7, 2820713), (49, 402959), (53, 372547), (371, 53221), (2597, 7603)]