18728950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4513}}^1$

素因数の和:4608

約数の個数: 24

約数和(自身を含む): 35263368

約数和(自身を除く): 16534418

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 4513, 9026, 22565, 45130, 112825, 225650, 374579, 749158, 1872895, 3745790, 9364475, 18728950]

約数ペア:

[(1, 18728950), (2, 9364475), (5, 3745790), (10, 1872895), (25, 749158), (50, 374579), (83, 225650), (166, 112825), (415, 45130), (830, 22565), (2075, 9026), (4150, 4513)]