18119979

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 26836992

約数和(自身を除く): 8717013

約数列:

[1, 3, 9, 83, 127, 191, 249, 381, 573, 747, 1143, 1719, 10541, 15853, 24257, 31623, 47559, 72771, 94869, 142677, 218313, 2013331, 6039993, 18119979]

約数ペア:

[(1, 18119979), (3, 6039993), (9, 2013331), (83, 218313), (127, 142677), (191, 94869), (249, 72771), (381, 47559), (573, 31623), (747, 24257), (1143, 15853), (1719, 10541)]