19426000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{883}}^1$

素因数の和:917

約数の個数: 80

約数和(自身を含む): 51300288

約数和(自身を除く): 31874288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 883, 1000, 1100, 1375, 1766, 2000, 2200, 2750, 3532, 4400, 4415, 5500, 7064, 8830, 9713, 11000, 14128, 17660, 19426, 22000, 22075, 35320, 38852, 44150, 48565, 70640, 77704, 88300, 97130, 110375, 155408, 176600, 194260, 220750, 242825, 353200, 388520, 441500, 485650, 777040, 883000, 971300, 1214125, 1766000, 1942600, 2428250, 3885200, 4856500, 9713000, 19426000]

約数ペア:

[(1, 19426000), (2, 9713000), (4, 4856500), (5, 3885200), (8, 2428250), (10, 1942600), (11, 1766000), (16, 1214125), (20, 971300), (22, 883000), (25, 777040), (40, 485650), (44, 441500), (50, 388520), (55, 353200), (80, 242825), (88, 220750), (100, 194260), (110, 176600), (125, 155408), (176, 110375), (200, 97130), (220, 88300), (250, 77704), (275, 70640), (400, 48565), (440, 44150), (500, 38852), (550, 35320), (880, 22075), (883, 22000), (1000, 19426), (1100, 17660), (1375, 14128), (1766, 11000), (2000, 9713), (2200, 8830), (2750, 7064), (3532, 5500), (4400, 4415)]