19803588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{547}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 53028864

約数和(自身を除く): 33225276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 431, 547, 862, 1094, 1293, 1641, 1724, 2188, 2586, 3017, 3282, 3829, 5172, 6034, 6564, 7658, 9051, 11487, 12068, 15316, 18102, 22974, 36204, 45948, 235757, 471514, 707271, 943028, 1414542, 1650299, 2829084, 3300598, 4950897, 6601196, 9901794, 19803588]

約数ペア:

[(1, 19803588), (2, 9901794), (3, 6601196), (4, 4950897), (6, 3300598), (7, 2829084), (12, 1650299), (14, 1414542), (21, 943028), (28, 707271), (42, 471514), (84, 235757), (431, 45948), (547, 36204), (862, 22974), (1094, 18102), (1293, 15316), (1641, 12068), (1724, 11487), (2188, 9051), (2586, 7658), (3017, 6564), (3282, 6034), (3829, 5172)]