19443880

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2017}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 43952040

約数和(自身を除く): 24508160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2017, 2410, 4034, 4820, 8068, 9640, 10085, 16136, 20170, 40340, 80680, 486097, 972194, 1944388, 2430485, 3888776, 4860970, 9721940, 19443880]

約数ペア:

[(1, 19443880), (2, 9721940), (4, 4860970), (5, 3888776), (8, 2430485), (10, 1944388), (20, 972194), (40, 486097), (241, 80680), (482, 40340), (964, 20170), (1205, 16136), (1928, 10085), (2017, 9640), (2410, 8068), (4034, 4820)]