19991706

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 47425824

約数和(自身を除く): 27434118

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 294, 318, 371, 742, 1113, 1283, 2226, 2566, 2597, 3849, 5194, 7698, 7791, 8981, 15582, 17962, 26943, 53886, 62867, 67999, 125734, 135998, 188601, 203997, 377202, 407994, 475993, 951986, 1427979, 2855958, 3331951, 6663902, 9995853, 19991706]

約数ペア:

[(1, 19991706), (2, 9995853), (3, 6663902), (6, 3331951), (7, 2855958), (14, 1427979), (21, 951986), (42, 475993), (49, 407994), (53, 377202), (98, 203997), (106, 188601), (147, 135998), (159, 125734), (294, 67999), (318, 62867), (371, 53886), (742, 26943), (1113, 17962), (1283, 15582), (2226, 8981), (2566, 7791), (2597, 7698), (3849, 5194)]