18210668

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4679}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 18480532

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4679, 9358, 18716, 32753, 65506, 131012, 650381, 1300762, 2601524, 4552667, 9105334, 18210668]

約数ペア:

[(1, 18210668), (2, 9105334), (4, 4552667), (7, 2601524), (14, 1300762), (28, 650381), (139, 131012), (278, 65506), (556, 32753), (973, 18716), (1946, 9358), (3892, 4679)]