18518536959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{643}}^1\times {\mathrm{1193}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 26697457920

約数和(自身を除く): 8178920961

約数列:

[1, 3, 13, 39, 619, 643, 1193, 1857, 1929, 3579, 8047, 8359, 15509, 24141, 25077, 46527, 398017, 738467, 767099, 1194051, 2215401, 2301297, 5174221, 9600071, 9972287, 15522663, 28800213, 29916861, 474834281, 1424502843, 6172845653, 18518536959]

約数ペア:

[(1, 18518536959), (3, 6172845653), (13, 1424502843), (39, 474834281), (619, 29916861), (643, 28800213), (1193, 15522663), (1857, 9972287), (1929, 9600071), (3579, 5174221), (8047, 2301297), (8359, 2215401), (15509, 1194051), (24141, 767099), (25077, 738467), (46527, 398017)]