18921196

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1783}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 37963520

約数和(自身を除く): 19042324

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1783, 2653, 3566, 5306, 7132, 10612, 12481, 24962, 49924, 675757, 1351514, 2703028, 4730299, 9460598, 18921196]

約数ペア:

[(1, 18921196), (2, 9460598), (4, 4730299), (7, 2703028), (14, 1351514), (28, 675757), (379, 49924), (758, 24962), (1516, 12481), (1783, 10612), (2653, 7132), (3566, 5306)]