18911438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{7993}}^1$

素因数の和:8028

約数の個数: 24

約数和(自身を含む): 35109648

約数和(自身を除く): 16198210

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 7993, 15986, 55951, 103909, 111902, 207818, 727363, 1350817, 1454726, 2701634, 9455719, 18911438]

約数ペア:

[(1, 18911438), (2, 9455719), (7, 2701634), (13, 1454726), (14, 1350817), (26, 727363), (91, 207818), (169, 111902), (182, 103909), (338, 55951), (1183, 15986), (2366, 7993)]