19564160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 58458240

約数和(自身を除く): 38894080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 397, 440, 448, 560, 616, 640, 704, 770, 794, 880, 896, 1120, 1232, 1408, 1540, 1588, 1760, 1985, 2240, 2464, 2779, 3080, 3176, 3520, 3970, 4367, 4480, 4928, 5558, 6160, 6352, 7040, 7940, 8734, 9856, 11116, 12320, 12704, 13895, 15880, 17468, 21835, 22232, 24640, 25408, 27790, 30569, 31760, 34936, 43670, 44464, 49280, 50816, 55580, 61138, 63520, 69872, 87340, 88928, 111160, 122276, 127040, 139744, 152845, 174680, 177856, 222320, 244552, 254080, 279488, 305690, 349360, 355712, 444640, 489104, 558976, 611380, 698720, 889280, 978208, 1222760, 1397440, 1778560, 1956416, 2445520, 2794880, 3912832, 4891040, 9782080, 19564160]

約数ペア:

[(1, 19564160), (2, 9782080), (4, 4891040), (5, 3912832), (7, 2794880), (8, 2445520), (10, 1956416), (11, 1778560), (14, 1397440), (16, 1222760), (20, 978208), (22, 889280), (28, 698720), (32, 611380), (35, 558976), (40, 489104), (44, 444640), (55, 355712), (56, 349360), (64, 305690), (70, 279488), (77, 254080), (80, 244552), (88, 222320), (110, 177856), (112, 174680), (128, 152845), (140, 139744), (154, 127040), (160, 122276), (176, 111160), (220, 88928), (224, 87340), (280, 69872), (308, 63520), (320, 61138), (352, 55580), (385, 50816), (397, 49280), (440, 44464), (448, 43670), (560, 34936), (616, 31760), (640, 30569), (704, 27790), (770, 25408), (794, 24640), (880, 22232), (896, 21835), (1120, 17468), (1232, 15880), (1408, 13895), (1540, 12704), (1588, 12320), (1760, 11116), (1985, 9856), (2240, 8734), (2464, 7940), (2779, 7040), (3080, 6352), (3176, 6160), (3520, 5558), (3970, 4928), (4367, 4480)]