18188884

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1543}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 36487808

約数和(自身を除く): 18298924

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1543, 1684, 2947, 3086, 5894, 6172, 10801, 11788, 21602, 43204, 649603, 1299206, 2598412, 4547221, 9094442, 18188884]

約数ペア:

[(1, 18188884), (2, 9094442), (4, 4547221), (7, 2598412), (14, 1299206), (28, 649603), (421, 43204), (842, 21602), (1543, 11788), (1684, 10801), (2947, 6172), (3086, 5894)]