19694228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{569}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 16933972

約数列:

[1, 2, 4, 17, 34, 68, 509, 569, 1018, 1138, 2036, 2276, 8653, 9673, 17306, 19346, 34612, 38692, 289621, 579242, 1158484, 4923557, 9847114, 19694228]

約数ペア:

[(1, 19694228), (2, 9847114), (4, 4923557), (17, 1158484), (34, 579242), (68, 289621), (509, 38692), (569, 34612), (1018, 19346), (1138, 17306), (2036, 9673), (2276, 8653)]