18930916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 35060480

約数和(自身を除く): 16129564

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 1117, 2234, 4237, 4468, 8474, 16948, 21223, 42446, 84892, 249091, 498182, 996364, 4732729, 9465458, 18930916]

約数ペア:

[(1, 18930916), (2, 9465458), (4, 4732729), (19, 996364), (38, 498182), (76, 249091), (223, 84892), (446, 42446), (892, 21223), (1117, 16948), (2234, 8474), (4237, 4468)]