209788918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 341936640

約数和(自身を除く): 132147722

約数列:

[1, 2, 19, 38, 47, 94, 101, 202, 893, 1163, 1786, 1919, 2326, 3838, 4747, 9494, 22097, 44194, 54661, 90193, 109322, 117463, 180386, 234926, 1038559, 2077118, 2231797, 4463594, 5520761, 11041522, 104894459, 209788918]

約数ペア:

[(1, 209788918), (2, 104894459), (19, 11041522), (38, 5520761), (47, 4463594), (94, 2231797), (101, 2077118), (202, 1038559), (893, 234926), (1163, 180386), (1786, 117463), (1919, 109322), (2326, 90193), (3838, 54661), (4747, 44194), (9494, 22097)]