18780108

素因数分解:

$2^2\times 3^1\times {\mathrm{1565009}}^1$

素因数の和:1565016

約数の個数: 12

約数和(自身を含む): 43820280

約数和(自身を除く): 25040172

約数列:

[1, 2, 3, 4, 6, 12, 1565009, 3130018, 4695027, 6260036, 9390054, 18780108]

約数ペア:

[(1, 18780108), (2, 9390054), (3, 6260036), (4, 4695027), (6, 3130018), (12, 1565009)]