18674312

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 35830080

約数和(自身を除く): 17155768

約数列:

[1, 2, 4, 8, 103, 131, 173, 206, 262, 346, 412, 524, 692, 824, 1048, 1384, 13493, 17819, 22663, 26986, 35638, 45326, 53972, 71276, 90652, 107944, 142552, 181304, 2334289, 4668578, 9337156, 18674312]

約数ペア:

[(1, 18674312), (2, 9337156), (4, 4668578), (8, 2334289), (103, 181304), (131, 142552), (173, 107944), (206, 90652), (262, 71276), (346, 53972), (412, 45326), (524, 35638), (692, 26986), (824, 22663), (1048, 17819), (1384, 13493)]