19900364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9623}}^1$

素因数の和:9685

約数の個数: 24

約数和(自身を含む): 38803968

約数和(自身を除く): 18903604

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9623, 19246, 38492, 105853, 211706, 423412, 452281, 904562, 1809124, 4975091, 9950182, 19900364]

約数ペア:

[(1, 19900364), (2, 9950182), (4, 4975091), (11, 1809124), (22, 904562), (44, 452281), (47, 423412), (94, 211706), (188, 105853), (517, 38492), (1034, 19246), (2068, 9623)]