18357284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 35164416

約数和(自身を除く): 16807132

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 991, 1684, 1982, 3964, 4631, 9262, 10901, 18524, 21802, 43604, 417211, 834422, 1668844, 4589321, 9178642, 18357284]

約数ペア:

[(1, 18357284), (2, 9178642), (4, 4589321), (11, 1668844), (22, 834422), (44, 417211), (421, 43604), (842, 21802), (991, 18524), (1684, 10901), (1982, 9262), (3964, 4631)]