18785396

素因数分解:

$2^2\times 7^1\times {\mathrm{677}}^1\times {\mathrm{991}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 37664256

約数和(自身を除く): 18878860

約数列:

[1, 2, 4, 7, 14, 28, 677, 991, 1354, 1982, 2708, 3964, 4739, 6937, 9478, 13874, 18956, 27748, 670907, 1341814, 2683628, 4696349, 9392698, 18785396]

約数ペア:

[(1, 18785396), (2, 9392698), (4, 4696349), (7, 2683628), (14, 1341814), (28, 670907), (677, 27748), (991, 18956), (1354, 13874), (1982, 9478), (2708, 6937), (3964, 4739)]