18739706

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 28983528

約数和(自身を除く): 10243822

約数列:

[1, 2, 41, 82, 173, 346, 1321, 2642, 7093, 14186, 54161, 108322, 228533, 457066, 9369853, 18739706]

約数ペア:

[(1, 18739706), (2, 9369853), (41, 457066), (82, 228533), (173, 108322), (346, 54161), (1321, 14186), (2642, 7093)]