19684818

素因数分解:

$2^1\times 3^2\times {\mathrm{457}}^1\times {\mathrm{2393}}^1$

素因数の和:2858

約数の個数: 24

約数和(自身を含む): 42761628

約数和(自身を除く): 23076810

約数列:

[1, 2, 3, 6, 9, 18, 457, 914, 1371, 2393, 2742, 4113, 4786, 7179, 8226, 14358, 21537, 43074, 1093601, 2187202, 3280803, 6561606, 9842409, 19684818]

約数ペア:

[(1, 19684818), (2, 9842409), (3, 6561606), (6, 3280803), (9, 2187202), (18, 1093601), (457, 43074), (914, 21537), (1371, 14358), (2393, 8226), (2742, 7179), (4113, 4786)]