19190400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 96

約数和(自身を含む): 63240000

約数和(自身を除く): 44049600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 1999, 2400, 3200, 3998, 4800, 5997, 7996, 9600, 9995, 11994, 15992, 19990, 23988, 29985, 31984, 39980, 47976, 49975, 59970, 63968, 79960, 95952, 99950, 119940, 127936, 149925, 159920, 191904, 199900, 239880, 255872, 299850, 319840, 383808, 399800, 479760, 599700, 639680, 767616, 799600, 959520, 1199400, 1279360, 1599200, 1919040, 2398800, 3198400, 3838080, 4797600, 6396800, 9595200, 19190400]

約数ペア:

[(1, 19190400), (2, 9595200), (3, 6396800), (4, 4797600), (5, 3838080), (6, 3198400), (8, 2398800), (10, 1919040), (12, 1599200), (15, 1279360), (16, 1199400), (20, 959520), (24, 799600), (25, 767616), (30, 639680), (32, 599700), (40, 479760), (48, 399800), (50, 383808), (60, 319840), (64, 299850), (75, 255872), (80, 239880), (96, 199900), (100, 191904), (120, 159920), (128, 149925), (150, 127936), (160, 119940), (192, 99950), (200, 95952), (240, 79960), (300, 63968), (320, 59970), (384, 49975), (400, 47976), (480, 39980), (600, 31984), (640, 29985), (800, 23988), (960, 19990), (1200, 15992), (1600, 11994), (1920, 9995), (1999, 9600), (2400, 7996), (3200, 5997), (3998, 4800)]