18139324

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17509}}^1$

素因数の和:17557

約数の個数: 24

約数和(自身を含む): 37261280

約数和(自身を除く): 19121956

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 17509, 35018, 70036, 122563, 245126, 490252, 647833, 1295666, 2591332, 4534831, 9069662, 18139324]

約数ペア:

[(1, 18139324), (2, 9069662), (4, 4534831), (7, 2591332), (14, 1295666), (28, 647833), (37, 490252), (74, 245126), (148, 122563), (259, 70036), (518, 35018), (1036, 17509)]