18845750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 44815680

約数和(自身を除く): 25969930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 89, 110, 121, 125, 154, 175, 178, 242, 250, 275, 350, 385, 445, 550, 605, 623, 770, 847, 875, 890, 979, 1210, 1246, 1375, 1694, 1750, 1925, 1958, 2225, 2750, 3025, 3115, 3850, 4235, 4450, 4895, 6050, 6230, 6853, 8470, 9625, 9790, 10769, 11125, 13706, 15125, 15575, 19250, 21175, 21538, 22250, 24475, 30250, 31150, 34265, 42350, 48950, 53845, 68530, 75383, 77875, 105875, 107690, 122375, 150766, 155750, 171325, 211750, 244750, 269225, 342650, 376915, 538450, 753830, 856625, 1346125, 1713250, 1884575, 2692250, 3769150, 9422875, 18845750]

約数ペア:

[(1, 18845750), (2, 9422875), (5, 3769150), (7, 2692250), (10, 1884575), (11, 1713250), (14, 1346125), (22, 856625), (25, 753830), (35, 538450), (50, 376915), (55, 342650), (70, 269225), (77, 244750), (89, 211750), (110, 171325), (121, 155750), (125, 150766), (154, 122375), (175, 107690), (178, 105875), (242, 77875), (250, 75383), (275, 68530), (350, 53845), (385, 48950), (445, 42350), (550, 34265), (605, 31150), (623, 30250), (770, 24475), (847, 22250), (875, 21538), (890, 21175), (979, 19250), (1210, 15575), (1246, 15125), (1375, 13706), (1694, 11125), (1750, 10769), (1925, 9790), (1958, 9625), (2225, 8470), (2750, 6853), (3025, 6230), (3115, 6050), (3850, 4895), (4235, 4450)]