18943316

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1607}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 38000256

約数和(自身を除く): 19056940

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1607, 1684, 2947, 3214, 5894, 6428, 11249, 11788, 22498, 44996, 676547, 1353094, 2706188, 4735829, 9471658, 18943316]

約数ペア:

[(1, 18943316), (2, 9471658), (4, 4735829), (7, 2706188), (14, 1353094), (28, 676547), (421, 44996), (842, 22498), (1607, 11788), (1684, 11249), (2947, 6428), (3214, 5894)]