18677956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6959}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 36247680

約数和(自身を除く): 17569724

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6959, 13918, 27836, 76549, 153098, 306196, 424499, 848998, 1697996, 4669489, 9338978, 18677956]

約数ペア:

[(1, 18677956), (2, 9338978), (4, 4669489), (11, 1697996), (22, 848998), (44, 424499), (61, 306196), (122, 153098), (244, 76549), (671, 27836), (1342, 13918), (2684, 6959)]