18895091984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{1609}}^1\times {\mathrm{25309}}^1$

素因数の和:26955

約数の個数: 40

約数和(自身を含む): 37896663000

約数和(自身を除く): 19001571016

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 1609, 3218, 6436, 12872, 25309, 25744, 46661, 50618, 93322, 101236, 186644, 202472, 373288, 404944, 733961, 746576, 1467922, 2935844, 5871688, 11743376, 40722181, 81444362, 162888724, 325777448, 651554896, 1180943249, 2361886498, 4723772996, 9447545992, 18895091984]

約数ペア:

[(1, 18895091984), (2, 9447545992), (4, 4723772996), (8, 2361886498), (16, 1180943249), (29, 651554896), (58, 325777448), (116, 162888724), (232, 81444362), (464, 40722181), (1609, 11743376), (3218, 5871688), (6436, 2935844), (12872, 1467922), (25309, 746576), (25744, 733961), (46661, 404944), (50618, 373288), (93322, 202472), (101236, 186644)]