19040567

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 24246432

約数和(自身を除く): 5205865

約数列:

[1, 7, 13, 49, 71, 91, 421, 497, 637, 923, 2947, 3479, 5473, 6461, 20629, 29891, 38311, 45227, 209237, 268177, 388583, 1464659, 2720081, 19040567]

約数ペア:

[(1, 19040567), (7, 2720081), (13, 1464659), (49, 388583), (71, 268177), (91, 209237), (421, 45227), (497, 38311), (637, 29891), (923, 20629), (2947, 6461), (3479, 5473)]