19307673

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 17464167

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 189, 231, 251, 259, 297, 333, 407, 693, 753, 777, 999, 1221, 1757, 2079, 2259, 2331, 2761, 2849, 3663, 5271, 6777, 6993, 8283, 8547, 9287, 10989, 15813, 19327, 24849, 25641, 27861, 47439, 57981, 65009, 74547, 76923, 83583, 102157, 173943, 195027, 250749, 306471, 521829, 585081, 715099, 919413, 1755243, 2145297, 2758239, 6435891, 19307673]

約数ペア:

[(1, 19307673), (3, 6435891), (7, 2758239), (9, 2145297), (11, 1755243), (21, 919413), (27, 715099), (33, 585081), (37, 521829), (63, 306471), (77, 250749), (99, 195027), (111, 173943), (189, 102157), (231, 83583), (251, 76923), (259, 74547), (297, 65009), (333, 57981), (407, 47439), (693, 27861), (753, 25641), (777, 24849), (999, 19327), (1221, 15813), (1757, 10989), (2079, 9287), (2259, 8547), (2331, 8283), (2761, 6993), (2849, 6777), (3663, 5271)]