18371717

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 23288832

約数和(自身を除く): 4917115

約数列:

[1, 7, 13, 49, 91, 151, 191, 637, 1057, 1337, 1963, 2483, 7399, 9359, 13741, 17381, 28841, 96187, 121667, 201887, 374933, 1413209, 2624531, 18371717]

約数ペア:

[(1, 18371717), (7, 2624531), (13, 1413209), (49, 374933), (91, 201887), (151, 121667), (191, 96187), (637, 28841), (1057, 17381), (1337, 13741), (1963, 9359), (2483, 7399)]