18465940

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3407}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 38932992

約数和(自身を除く): 20467052

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3407, 5420, 6814, 13628, 17035, 34070, 68140, 923297, 1846594, 3693188, 4616485, 9232970, 18465940]

約数ペア:

[(1, 18465940), (2, 9232970), (4, 4616485), (5, 3693188), (10, 1846594), (20, 923297), (271, 68140), (542, 34070), (1084, 17035), (1355, 13628), (2710, 6814), (3407, 5420)]