18945473338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7900531}}^1$

素因数の和:7900653

約数の個数: 16

約数和(自身を含む): 31286106720

約数和(自身を除く): 12340633382

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 7900531, 15801062, 86905841, 173811682, 861157879, 1722315758, 9472736669, 18945473338]

約数ペア:

[(1, 18945473338), (2, 9472736669), (11, 1722315758), (22, 861157879), (109, 173811682), (218, 86905841), (1199, 15801062), (2398, 7900531)]