19796426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17707}}^1$

素因数の和:17765

約数の個数: 16

約数和(自身を含む): 32724384

約数和(自身を除く): 12927958

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17707, 35414, 230191, 460382, 761401, 1522802, 9898213, 19796426]

約数ペア:

[(1, 19796426), (2, 9898213), (13, 1522802), (26, 761401), (43, 460382), (86, 230191), (559, 35414), (1118, 17707)]