16918465538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1\times {\mathrm{1531}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 27431648832

約数和(自身を除く): 10513183294

約数列:

[1, 2, 13, 26, 643, 661, 1286, 1322, 1531, 3062, 8359, 8593, 16718, 17186, 19903, 39806, 425023, 850046, 984433, 1011991, 1968866, 2023982, 5525299, 11050598, 12797629, 13155883, 25595258, 26311766, 650710213, 1301420426, 8459232769, 16918465538]

約数ペア:

[(1, 16918465538), (2, 8459232769), (13, 1301420426), (26, 650710213), (643, 26311766), (661, 25595258), (1286, 13155883), (1322, 12797629), (1531, 11050598), (3062, 5525299), (8359, 2023982), (8593, 1968866), (16718, 1011991), (17186, 984433), (19903, 850046), (39806, 425023)]