17998948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 34642944

約数和(自身を除く): 16643996

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3221, 5588, 6442, 12884, 35431, 70862, 141724, 409067, 818134, 1636268, 4499737, 8999474, 17998948]

約数ペア:

[(1, 17998948), (2, 8999474), (4, 4499737), (11, 1636268), (22, 818134), (44, 409067), (127, 141724), (254, 70862), (508, 35431), (1397, 12884), (2794, 6442), (3221, 5588)]