18302140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4337}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 38625552

約数和(自身を除く): 20323412

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4337, 8674, 17348, 21685, 43370, 86740, 915107, 1830214, 3660428, 4575535, 9151070, 18302140]

約数ペア:

[(1, 18302140), (2, 9151070), (4, 4575535), (5, 3660428), (10, 1830214), (20, 915107), (211, 86740), (422, 43370), (844, 21685), (1055, 17348), (2110, 8674), (4220, 4337)]