19188400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 59159160

約数和(自身を除く): 39970760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 80, 88, 89, 98, 100, 110, 112, 140, 154, 175, 176, 178, 196, 200, 220, 245, 275, 280, 308, 350, 356, 385, 392, 400, 440, 445, 490, 539, 550, 560, 616, 623, 700, 712, 770, 784, 880, 890, 979, 980, 1078, 1100, 1225, 1232, 1246, 1400, 1424, 1540, 1780, 1925, 1958, 1960, 2156, 2200, 2225, 2450, 2492, 2695, 2800, 3080, 3115, 3560, 3850, 3916, 3920, 4312, 4361, 4400, 4450, 4895, 4900, 4984, 5390, 6160, 6230, 6853, 7120, 7700, 7832, 8624, 8722, 8900, 9790, 9800, 9968, 10780, 12460, 13475, 13706, 15400, 15575, 15664, 17444, 17800, 19580, 19600, 21560, 21805, 24475, 24920, 26950, 27412, 30800, 31150, 34265, 34888, 35600, 39160, 43120, 43610, 47971, 48950, 49840, 53900, 54824, 62300, 68530, 69776, 78320, 87220, 95942, 97900, 107800, 109025, 109648, 124600, 137060, 171325, 174440, 191884, 195800, 215600, 218050, 239855, 249200, 274120, 342650, 348880, 383768, 391600, 436100, 479710, 548240, 685300, 767536, 872200, 959420, 1199275, 1370600, 1744400, 1918840, 2398550, 2741200, 3837680, 4797100, 9594200, 19188400]

約数ペア:

[(1, 19188400), (2, 9594200), (4, 4797100), (5, 3837680), (7, 2741200), (8, 2398550), (10, 1918840), (11, 1744400), (14, 1370600), (16, 1199275), (20, 959420), (22, 872200), (25, 767536), (28, 685300), (35, 548240), (40, 479710), (44, 436100), (49, 391600), (50, 383768), (55, 348880), (56, 342650), (70, 274120), (77, 249200), (80, 239855), (88, 218050), (89, 215600), (98, 195800), (100, 191884), (110, 174440), (112, 171325), (140, 137060), (154, 124600), (175, 109648), (176, 109025), (178, 107800), (196, 97900), (200, 95942), (220, 87220), (245, 78320), (275, 69776), (280, 68530), (308, 62300), (350, 54824), (356, 53900), (385, 49840), (392, 48950), (400, 47971), (440, 43610), (445, 43120), (490, 39160), (539, 35600), (550, 34888), (560, 34265), (616, 31150), (623, 30800), (700, 27412), (712, 26950), (770, 24920), (784, 24475), (880, 21805), (890, 21560), (979, 19600), (980, 19580), (1078, 17800), (1100, 17444), (1225, 15664), (1232, 15575), (1246, 15400), (1400, 13706), (1424, 13475), (1540, 12460), (1780, 10780), (1925, 9968), (1958, 9800), (1960, 9790), (2156, 8900), (2200, 8722), (2225, 8624), (2450, 7832), (2492, 7700), (2695, 7120), (2800, 6853), (3080, 6230), (3115, 6160), (3560, 5390), (3850, 4984), (3916, 4900), (3920, 4895), (4312, 4450), (4361, 4400)]