19619996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4597}}^1$

素因数の和:4709

約数の個数: 24

約数和(自身を含む): 37850736

約数和(自身を除く): 18230740

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4597, 9194, 18388, 50567, 101134, 202268, 445909, 891818, 1783636, 4904999, 9809998, 19619996]

約数ペア:

[(1, 19619996), (2, 9809998), (4, 4904999), (11, 1783636), (22, 891818), (44, 445909), (97, 202268), (194, 101134), (388, 50567), (1067, 18388), (2134, 9194), (4268, 4597)]