18370828

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 36842400

約数和(自身を除く): 18471572

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 1289, 2036, 2578, 3563, 5156, 7126, 9023, 14252, 18046, 36092, 656101, 1312202, 2624404, 4592707, 9185414, 18370828]

約数ペア:

[(1, 18370828), (2, 9185414), (4, 4592707), (7, 2624404), (14, 1312202), (28, 656101), (509, 36092), (1018, 18046), (1289, 14252), (2036, 9023), (2578, 7126), (3563, 5156)]