18049940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39239}}^1$

素因数の和:39271

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 21503980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39239, 78478, 156956, 196195, 392390, 784780, 902497, 1804994, 3609988, 4512485, 9024970, 18049940]

約数ペア:

[(1, 18049940), (2, 9024970), (4, 4512485), (5, 3609988), (10, 1804994), (20, 902497), (23, 784780), (46, 392390), (92, 196195), (115, 156956), (230, 78478), (460, 39239)]