18827778

素因数分解:

$2^1\times 3^1\times {\mathrm{631}}^1\times {\mathrm{4973}}^1$

素因数の和:5609

約数の個数: 16

約数和(自身を含む): 37722816

約数和(自身を除く): 18895038

約数列:

[1, 2, 3, 6, 631, 1262, 1893, 3786, 4973, 9946, 14919, 29838, 3137963, 6275926, 9413889, 18827778]

約数ペア:

[(1, 18827778), (2, 9413889), (3, 6275926), (6, 3137963), (631, 29838), (1262, 14919), (1893, 9946), (3786, 4973)]