18813304952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{8599}}^1$

素因数の和:8920

約数の個数: 64

約数和(自身を含む): 38540040000

約数和(自身を除く): 19726735048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 193, 218, 386, 436, 772, 872, 1417, 1544, 2509, 2834, 5018, 5668, 8599, 10036, 11336, 17198, 20072, 21037, 34396, 42074, 68792, 84148, 111787, 168296, 223574, 273481, 447148, 546962, 894296, 937291, 1093924, 1659607, 1874582, 2187848, 3319214, 3749164, 6638428, 7498328, 12184783, 13276856, 21574891, 24369566, 43149782, 48739132, 86299564, 97478264, 172599128, 180897163, 361794326, 723588652, 1447177304, 2351663119, 4703326238, 9406652476, 18813304952]

約数ペア:

[(1, 18813304952), (2, 9406652476), (4, 4703326238), (8, 2351663119), (13, 1447177304), (26, 723588652), (52, 361794326), (104, 180897163), (109, 172599128), (193, 97478264), (218, 86299564), (386, 48739132), (436, 43149782), (772, 24369566), (872, 21574891), (1417, 13276856), (1544, 12184783), (2509, 7498328), (2834, 6638428), (5018, 3749164), (5668, 3319214), (8599, 2187848), (10036, 1874582), (11336, 1659607), (17198, 1093924), (20072, 937291), (21037, 894296), (34396, 546962), (42074, 447148), (68792, 273481), (84148, 223574), (111787, 168296)]