19520692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1117}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 36343944

約数和(自身を除く): 16823252

約数列:

[1, 2, 4, 17, 34, 68, 257, 514, 1028, 1117, 2234, 4369, 4468, 8738, 17476, 18989, 37978, 75956, 287069, 574138, 1148276, 4880173, 9760346, 19520692]

約数ペア:

[(1, 19520692), (2, 9760346), (4, 4880173), (17, 1148276), (34, 574138), (68, 287069), (257, 75956), (514, 37978), (1028, 18989), (1117, 17476), (2234, 8738), (4369, 4468)]