18380866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 15580094

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1607, 1634, 3214, 5719, 11249, 11438, 22498, 30533, 61066, 69101, 138202, 213731, 427462, 483707, 967414, 1312919, 2625838, 9190433, 18380866]

約数ペア:

[(1, 18380866), (2, 9190433), (7, 2625838), (14, 1312919), (19, 967414), (38, 483707), (43, 427462), (86, 213731), (133, 138202), (266, 69101), (301, 61066), (602, 30533), (817, 22498), (1607, 11438), (1634, 11249), (3214, 5719)]