19277531

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 24648624

約数和(自身を除く): 5371093

約数列:

[1, 7, 13, 49, 53, 91, 371, 571, 637, 689, 2597, 3997, 4823, 7423, 27979, 30263, 33761, 51961, 211841, 363727, 393419, 1482887, 2753933, 19277531]

約数ペア:

[(1, 19277531), (7, 2753933), (13, 1482887), (49, 393419), (53, 363727), (91, 211841), (371, 51961), (571, 33761), (637, 30263), (689, 27979), (2597, 7423), (3997, 4823)]