18615436

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4783}}^1$

素因数の和:4933

約数の個数: 24

約数和(自身を含む): 37506560

約数和(自身を除く): 18891124

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4783, 9566, 19132, 33481, 66962, 133924, 664837, 1329674, 2659348, 4653859, 9307718, 18615436]

約数ペア:

[(1, 18615436), (2, 9307718), (4, 4653859), (7, 2659348), (14, 1329674), (28, 664837), (139, 133924), (278, 66962), (556, 33481), (973, 19132), (1946, 9566), (3892, 4783)]