19557103676

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40407239}}^1$

素因数の和:40407265

約数の個数: 18

約数和(自身を含む): 37619140440

約数和(自身を除く): 18062036764

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40407239, 80814478, 161628956, 444479629, 888959258, 1777918516, 4889275919, 9778551838, 19557103676]

約数ペア:

[(1, 19557103676), (2, 9778551838), (4, 4889275919), (11, 1777918516), (22, 888959258), (44, 444479629), (121, 161628956), (242, 80814478), (484, 40407239)]