18490693

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 20756736

約数和(自身を除く): 2266043

約数列:

[1, 13, 47, 53, 571, 611, 689, 2491, 7423, 26837, 30263, 32383, 348881, 393419, 1422361, 18490693]

約数ペア:

[(1, 18490693), (13, 1422361), (47, 393419), (53, 348881), (571, 32383), (611, 30263), (689, 26837), (2491, 7423)]