19922768

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42937}}^1$

素因数の和:42974

約数の個数: 20

約数和(自身を含む): 39932340

約数和(自身を除く): 20009572

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42937, 85874, 171748, 343496, 686992, 1245173, 2490346, 4980692, 9961384, 19922768]

約数ペア:

[(1, 19922768), (2, 9961384), (4, 4980692), (8, 2490346), (16, 1245173), (29, 686992), (58, 343496), (116, 171748), (232, 85874), (464, 42937)]