19037780

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1103}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 40061952

約数和(自身を除く): 21024172

約数列:

[1, 2, 4, 5, 10, 20, 863, 1103, 1726, 2206, 3452, 4315, 4412, 5515, 8630, 11030, 17260, 22060, 951889, 1903778, 3807556, 4759445, 9518890, 19037780]

約数ペア:

[(1, 19037780), (2, 9518890), (4, 4759445), (5, 3807556), (10, 1903778), (20, 951889), (863, 22060), (1103, 17260), (1726, 11030), (2206, 8630), (3452, 5515), (4315, 4412)]