18786988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5849}}^1$

素因数の和:5937

約数の個数: 24

約数和(自身を含む): 36363600

約数和(自身を除く): 17576612

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 5849, 11698, 23396, 64339, 128678, 257356, 426977, 853954, 1707908, 4696747, 9393494, 18786988]

約数ペア:

[(1, 18786988), (2, 9393494), (4, 4696747), (11, 1707908), (22, 853954), (44, 426977), (73, 257356), (146, 128678), (292, 64339), (803, 23396), (1606, 11698), (3212, 5849)]