18631004

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4787}}^1$

素因数の和:4937

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 18906916

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4787, 9574, 19148, 33509, 67018, 134036, 665393, 1330786, 2661572, 4657751, 9315502, 18631004]

約数ペア:

[(1, 18631004), (2, 9315502), (4, 4657751), (7, 2661572), (14, 1330786), (28, 665393), (139, 134036), (278, 67018), (556, 33509), (973, 19148), (1946, 9574), (3892, 4787)]