18871035

素因数分解:

$3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2729}}^1$

素因数の和:3198

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 11399205

約数列:

[1, 3, 5, 15, 461, 1383, 2305, 2729, 6915, 8187, 13645, 40935, 1258069, 3774207, 6290345, 18871035]

約数ペア:

[(1, 18871035), (3, 6290345), (5, 3774207), (15, 1258069), (461, 40935), (1383, 13645), (2305, 8187), (2729, 6915)]