18764883

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1523}}^1$

素因数の和:1603

約数の個数: 18

約数和(自身を含む): 27875484

約数和(自身を除く): 9110601

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1523, 4107, 4569, 12321, 13707, 56351, 169053, 507159, 2084987, 6254961, 18764883]

約数ペア:

[(1, 18764883), (3, 6254961), (9, 2084987), (37, 507159), (111, 169053), (333, 56351), (1369, 13707), (1523, 12321), (4107, 4569)]