19238516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39749}}^1$

素因数の和:39775

約数の個数: 18

約数和(自身を含む): 37007250

約数和(自身を除く): 17768734

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39749, 79498, 158996, 437239, 874478, 1748956, 4809629, 9619258, 19238516]

約数ペア:

[(1, 19238516), (2, 9619258), (4, 4809629), (11, 1748956), (22, 874478), (44, 437239), (121, 158996), (242, 79498), (484, 39749)]