18771036260

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{991079}}^1$

素因数の和:992035

約数の個数: 24

約数和(自身を含む): 39460841280

約数和(自身を除く): 20689805020

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4735, 9470, 18940, 991079, 1982158, 3964316, 4955395, 9910790, 19821580, 938551813, 1877103626, 3754207252, 4692759065, 9385518130, 18771036260]

約数ペア:

[(1, 18771036260), (2, 9385518130), (4, 4692759065), (5, 3754207252), (10, 1877103626), (20, 938551813), (947, 19821580), (1894, 9910790), (3788, 4955395), (4735, 3964316), (9470, 1982158), (18940, 991079)]