18141940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39439}}^1$

素因数の和:39471

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 21613580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39439, 78878, 157756, 197195, 394390, 788780, 907097, 1814194, 3628388, 4535485, 9070970, 18141940]

約数ペア:

[(1, 18141940), (2, 9070970), (4, 4535485), (5, 3628388), (10, 1814194), (20, 907097), (23, 788780), (46, 394390), (92, 197195), (115, 157756), (230, 78878), (460, 39439)]