18778958

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1160

約数の個数: 24

約数和(自身を含む): 31415664

約数和(自身を除く): 12636706

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1063, 1606, 2126, 8833, 11693, 17666, 23386, 77599, 128623, 155198, 257246, 853589, 1707178, 9389479, 18778958]

約数ペア:

[(1, 18778958), (2, 9389479), (11, 1707178), (22, 853589), (73, 257246), (121, 155198), (146, 128623), (242, 77599), (803, 23386), (1063, 17666), (1606, 11693), (2126, 8833)]