18151060

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1373}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 38202696

約数和(自身を除く): 20051636

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1373, 2644, 2746, 3305, 5492, 6610, 6865, 13220, 13730, 27460, 907553, 1815106, 3630212, 4537765, 9075530, 18151060]

約数ペア:

[(1, 18151060), (2, 9075530), (4, 4537765), (5, 3630212), (10, 1815106), (20, 907553), (661, 27460), (1322, 13730), (1373, 13220), (2644, 6865), (2746, 6610), (3305, 5492)]