19949402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4603}}^1$

素因数の和:4813

約数の個数: 16

約数和(自身を含む): 32817312

約数和(自身を除く): 12867910

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4603, 9206, 50633, 101266, 906791, 1813582, 9974701, 19949402]

約数ペア:

[(1, 19949402), (2, 9974701), (11, 1813582), (22, 906791), (197, 101266), (394, 50633), (2167, 9206), (4334, 4603)]