18644980

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2153}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 39263112

約数和(自身を除く): 20618132

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2153, 2165, 4306, 4330, 8612, 8660, 10765, 21530, 43060, 932249, 1864498, 3728996, 4661245, 9322490, 18644980]

約数ペア:

[(1, 18644980), (2, 9322490), (4, 4661245), (5, 3728996), (10, 1864498), (20, 932249), (433, 43060), (866, 21530), (1732, 10765), (2153, 8660), (2165, 8612), (4306, 4330)]