19153120

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 52920000

約数和(自身を除く): 33766880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 349, 392, 490, 560, 686, 698, 784, 980, 1120, 1372, 1396, 1568, 1715, 1745, 1960, 2443, 2744, 2792, 3430, 3490, 3920, 4886, 5488, 5584, 6860, 6980, 7840, 9772, 10976, 11168, 12215, 13720, 13960, 17101, 19544, 24430, 27440, 27920, 34202, 39088, 48860, 54880, 55840, 68404, 78176, 85505, 97720, 119707, 136808, 171010, 195440, 239414, 273616, 342020, 390880, 478828, 547232, 598535, 684040, 957656, 1197070, 1368080, 1915312, 2394140, 2736160, 3830624, 4788280, 9576560, 19153120]

約数ペア:

[(1, 19153120), (2, 9576560), (4, 4788280), (5, 3830624), (7, 2736160), (8, 2394140), (10, 1915312), (14, 1368080), (16, 1197070), (20, 957656), (28, 684040), (32, 598535), (35, 547232), (40, 478828), (49, 390880), (56, 342020), (70, 273616), (80, 239414), (98, 195440), (112, 171010), (140, 136808), (160, 119707), (196, 97720), (224, 85505), (245, 78176), (280, 68404), (343, 55840), (349, 54880), (392, 48860), (490, 39088), (560, 34202), (686, 27920), (698, 27440), (784, 24430), (980, 19544), (1120, 17101), (1372, 13960), (1396, 13720), (1568, 12215), (1715, 11168), (1745, 10976), (1960, 9772), (2443, 7840), (2744, 6980), (2792, 6860), (3430, 5584), (3490, 5488), (3920, 4886)]