18780146

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121949}}^1$

素因数の和:121969

約数の個数: 16

約数和(自身を含む): 35121600

約数和(自身を除く): 16341454

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 121949, 243898, 853643, 1341439, 1707286, 2682878, 9390073, 18780146]

約数ペア:

[(1, 18780146), (2, 9390073), (7, 2682878), (11, 1707286), (14, 1341439), (22, 853643), (77, 243898), (154, 121949)]