18866372

素因数分解:

$2^2\times 7^3\times {\mathrm{13751}}^1$

素因数の和:13776

約数の個数: 24

約数和(自身を含む): 38505600

約数和(自身を除く): 19639228

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 13751, 27502, 55004, 96257, 192514, 385028, 673799, 1347598, 2695196, 4716593, 9433186, 18866372]

約数ペア:

[(1, 18866372), (2, 9433186), (4, 4716593), (7, 2695196), (14, 1347598), (28, 673799), (49, 385028), (98, 192514), (196, 96257), (343, 55004), (686, 27502), (1372, 13751)]