18926900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4027}}^1$

素因数の和:4088

約数の個数: 36

約数和(自身を含む): 41955648

約数和(自身を除く): 23028748

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4027, 4700, 8054, 16108, 20135, 40270, 80540, 100675, 189269, 201350, 378538, 402700, 757076, 946345, 1892690, 3785380, 4731725, 9463450, 18926900]

約数ペア:

[(1, 18926900), (2, 9463450), (4, 4731725), (5, 3785380), (10, 1892690), (20, 946345), (25, 757076), (47, 402700), (50, 378538), (94, 201350), (100, 189269), (188, 100675), (235, 80540), (470, 40270), (940, 20135), (1175, 16108), (2350, 8054), (4027, 4700)]