18501142

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:972

約数の個数: 24

約数和(自身を含む): 30882600

約数和(自身を除く): 12381458

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 859, 979, 1718, 1958, 9449, 10769, 18898, 21538, 76451, 103939, 152902, 207878, 840961, 1681922, 9250571, 18501142]

約数ペア:

[(1, 18501142), (2, 9250571), (11, 1681922), (22, 840961), (89, 207878), (121, 152902), (178, 103939), (242, 76451), (859, 21538), (979, 18898), (1718, 10769), (1958, 9449)]