18889300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4019}}^1$

素因数の和:4080

約数の個数: 36

約数和(自身を含む): 41872320

約数和(自身を除く): 22983020

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4019, 4700, 8038, 16076, 20095, 40190, 80380, 100475, 188893, 200950, 377786, 401900, 755572, 944465, 1888930, 3777860, 4722325, 9444650, 18889300]

約数ペア:

[(1, 18889300), (2, 9444650), (4, 4722325), (5, 3777860), (10, 1888930), (20, 944465), (25, 755572), (47, 401900), (50, 377786), (94, 200950), (100, 188893), (188, 100475), (235, 80380), (470, 40190), (940, 20095), (1175, 16076), (2350, 8038), (4019, 4700)]