19845176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1103}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 20494984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1103, 1384, 2206, 2249, 4412, 4498, 8824, 8996, 14339, 17992, 28678, 57356, 114712, 190819, 381638, 763276, 1526552, 2480647, 4961294, 9922588, 19845176]

約数ペア:

[(1, 19845176), (2, 9922588), (4, 4961294), (8, 2480647), (13, 1526552), (26, 763276), (52, 381638), (104, 190819), (173, 114712), (346, 57356), (692, 28678), (1103, 17992), (1384, 14339), (2206, 8996), (2249, 8824), (4412, 4498)]