19202080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2849

約数の個数: 48

約数和(自身を含む): 46436544

約数和(自身を除く): 27234464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2791, 3440, 5582, 6880, 11164, 13955, 22328, 27910, 44656, 55820, 89312, 111640, 120013, 223280, 240026, 446560, 480052, 600065, 960104, 1200130, 1920208, 2400260, 3840416, 4800520, 9601040, 19202080]

約数ペア:

[(1, 19202080), (2, 9601040), (4, 4800520), (5, 3840416), (8, 2400260), (10, 1920208), (16, 1200130), (20, 960104), (32, 600065), (40, 480052), (43, 446560), (80, 240026), (86, 223280), (160, 120013), (172, 111640), (215, 89312), (344, 55820), (430, 44656), (688, 27910), (860, 22328), (1376, 13955), (1720, 11164), (2791, 6880), (3440, 5582)]