1921444

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 3875648

約数和(自身を除く): 1954204

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 421, 652, 842, 1141, 1684, 2282, 2947, 4564, 5894, 11788, 68623, 137246, 274492, 480361, 960722, 1921444]

約数ペア:

[(1, 1921444), (2, 960722), (4, 480361), (7, 274492), (14, 137246), (28, 68623), (163, 11788), (326, 5894), (421, 4564), (652, 2947), (842, 2282), (1141, 1684)]