18227198

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:824

約数の個数: 24

約数和(自身を含む): 30371880

約数和(自身を除く): 12144682

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 691, 1199, 1382, 2398, 7601, 13189, 15202, 26378, 75319, 83611, 150638, 167222, 828509, 1657018, 9113599, 18227198]

約数ペア:

[(1, 18227198), (2, 9113599), (11, 1657018), (22, 828509), (109, 167222), (121, 150638), (218, 83611), (242, 75319), (691, 26378), (1199, 15202), (1382, 13189), (2398, 7601)]