39987286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{7681}}^1$

素因数の和:7839

約数の個数: 16

約数和(自身を含む): 63606960

約数和(自身を除く): 23619674

約数列:

[1, 2, 19, 38, 137, 274, 2603, 5206, 7681, 15362, 145939, 291878, 1052297, 2104594, 19993643, 39987286]

約数ペア:

[(1, 39987286), (2, 19993643), (19, 2104594), (38, 1052297), (137, 291878), (274, 145939), (2603, 15362), (5206, 7681)]