18518476

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{5639}}^1$

素因数の和:6464

約数の個数: 12

約数和(自身を含む): 32452560

約数和(自身を除く): 13934084

約数列:

[1, 2, 4, 821, 1642, 3284, 5639, 11278, 22556, 4629619, 9259238, 18518476]

約数ペア:

[(1, 18518476), (2, 9259238), (4, 4629619), (821, 22556), (1642, 11278), (3284, 5639)]