19117972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 35082432

約数和(自身を除く): 15964460

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2711, 3526, 5422, 7052, 10844, 111151, 116573, 222302, 233146, 444604, 466292, 4779493, 9558986, 19117972]

約数ペア:

[(1, 19117972), (2, 9558986), (4, 4779493), (41, 466292), (43, 444604), (82, 233146), (86, 222302), (164, 116573), (172, 111151), (1763, 10844), (2711, 7052), (3526, 5422)]