19391075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 7125085

約数列:

[1, 5, 11, 25, 55, 107, 275, 535, 659, 1177, 2675, 3295, 5885, 7249, 16475, 29425, 36245, 70513, 181225, 352565, 775643, 1762825, 3878215, 19391075]

約数ペア:

[(1, 19391075), (5, 3878215), (11, 1762825), (25, 775643), (55, 352565), (107, 181225), (275, 70513), (535, 36245), (659, 29425), (1177, 16475), (2675, 7249), (3295, 5885)]