18474212

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 32928000

約数和(自身を除く): 14453788

約数列:

[1, 2, 4, 139, 149, 223, 278, 298, 446, 556, 596, 892, 20711, 30997, 33227, 41422, 61994, 66454, 82844, 123988, 132908, 4618553, 9237106, 18474212]

約数ペア:

[(1, 18474212), (2, 9237106), (4, 4618553), (139, 132908), (149, 123988), (223, 82844), (278, 66454), (298, 61994), (446, 41422), (556, 33227), (596, 30997), (892, 20711)]