18139742

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:787

約数の個数: 16

約数和(自身を含む): 27686880

約数和(自身を除く): 9547138

約数列:

[1, 2, 103, 173, 206, 346, 509, 1018, 17819, 35638, 52427, 88057, 104854, 176114, 9069871, 18139742]

約数ペア:

[(1, 18139742), (2, 9069871), (103, 176114), (173, 104854), (206, 88057), (346, 52427), (509, 35638), (1018, 17819)]