19758068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1657}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 37881984

約数和(自身を除く): 18123916

約数列:

[1, 2, 4, 11, 22, 44, 271, 542, 1084, 1657, 2981, 3314, 5962, 6628, 11924, 18227, 36454, 72908, 449047, 898094, 1796188, 4939517, 9879034, 19758068]

約数ペア:

[(1, 19758068), (2, 9879034), (4, 4939517), (11, 1796188), (22, 898094), (44, 449047), (271, 72908), (542, 36454), (1084, 18227), (1657, 11924), (2981, 6628), (3314, 5962)]