18861100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4013}}^1$

素因数の和:4074

約数の個数: 36

約数和(自身を含む): 41809824

約数和(自身を除く): 22948724

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4013, 4700, 8026, 16052, 20065, 40130, 80260, 100325, 188611, 200650, 377222, 401300, 754444, 943055, 1886110, 3772220, 4715275, 9430550, 18861100]

約数ペア:

[(1, 18861100), (2, 9430550), (4, 4715275), (5, 3772220), (10, 1886110), (20, 943055), (25, 754444), (47, 401300), (50, 377222), (94, 200650), (100, 188611), (188, 100325), (235, 80260), (470, 40130), (940, 20065), (1175, 16052), (2350, 8026), (4013, 4700)]