18865900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2273}}^1$

素因数の和:2370

約数の個数: 36

約数和(自身を含む): 41450472

約数和(自身を除く): 22584572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 2273, 4150, 4546, 8300, 9092, 11365, 22730, 45460, 56825, 113650, 188659, 227300, 377318, 754636, 943295, 1886590, 3773180, 4716475, 9432950, 18865900]

約数ペア:

[(1, 18865900), (2, 9432950), (4, 4716475), (5, 3773180), (10, 1886590), (20, 943295), (25, 754636), (50, 377318), (83, 227300), (100, 188659), (166, 113650), (332, 56825), (415, 45460), (830, 22730), (1660, 11365), (2075, 9092), (2273, 8300), (4150, 4546)]