18818594

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 28670328

約数和(自身を除く): 9851734

約数列:

[1, 2, 137, 173, 274, 346, 397, 794, 23701, 47402, 54389, 68681, 108778, 137362, 9409297, 18818594]

約数ペア:

[(1, 18818594), (2, 9409297), (137, 137362), (173, 108778), (274, 68681), (346, 54389), (397, 47402), (794, 23701)]