18772689

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 27593472

約数和(自身を除く): 8820783

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 607, 793, 1821, 2379, 7891, 10309, 23673, 30927, 37027, 102583, 111081, 307749, 481351, 1444053, 6257563, 18772689]

約数ペア:

[(1, 18772689), (3, 6257563), (13, 1444053), (39, 481351), (61, 307749), (169, 111081), (183, 102583), (507, 37027), (607, 30927), (793, 23673), (1821, 10309), (2379, 7891)]