17921218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 32745600

約数和(自身を除く): 14824382

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 757, 1246, 1514, 1691, 3382, 5299, 10598, 11837, 14383, 23674, 28766, 67373, 100681, 134746, 201362, 471611, 943222, 1280087, 2560174, 8960609, 17921218]

約数ペア:

[(1, 17921218), (2, 8960609), (7, 2560174), (14, 1280087), (19, 943222), (38, 471611), (89, 201362), (133, 134746), (178, 100681), (266, 67373), (623, 28766), (757, 23674), (1246, 14383), (1514, 11837), (1691, 10598), (3382, 5299)]