18939184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107609}}^1$

素因数の和:107628

約数の個数: 20

約数和(自身を含む): 40030920

約数和(自身を除く): 21091736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107609, 215218, 430436, 860872, 1183699, 1721744, 2367398, 4734796, 9469592, 18939184]

約数ペア:

[(1, 18939184), (2, 9469592), (4, 4734796), (8, 2367398), (11, 1721744), (16, 1183699), (22, 860872), (44, 430436), (88, 215218), (176, 107609)]