19807844

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2027}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 39748800

約数和(自身を除く): 19940956

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2027, 2443, 4054, 4886, 8108, 9772, 14189, 28378, 56756, 707423, 1414846, 2829692, 4951961, 9903922, 19807844]

約数ペア:

[(1, 19807844), (2, 9903922), (4, 4951961), (7, 2829692), (14, 1414846), (28, 707423), (349, 56756), (698, 28378), (1396, 14189), (2027, 9772), (2443, 8108), (4054, 4886)]