18729394845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{8803}}^1$

素因数の和:9722

約数の個数: 64

約数和(自身を含む): 35781709824

約数和(自身を除く): 17052314979

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 881, 2415, 2643, 4405, 6167, 8803, 13215, 18501, 20263, 26409, 30835, 44015, 60789, 61621, 92505, 101315, 132045, 141841, 184863, 202469, 303945, 308105, 425523, 607407, 709205, 924315, 1012345, 1417283, 2127615, 3037035, 4251849, 7086415, 7755443, 21259245, 23266329, 38777215, 54288101, 116331645, 162864303, 178375189, 271440505, 535125567, 814321515, 891875945, 1248626323, 2675627835, 3745878969, 6243131615, 18729394845]

約数ペア:

[(1, 18729394845), (3, 6243131615), (5, 3745878969), (7, 2675627835), (15, 1248626323), (21, 891875945), (23, 814321515), (35, 535125567), (69, 271440505), (105, 178375189), (115, 162864303), (161, 116331645), (345, 54288101), (483, 38777215), (805, 23266329), (881, 21259245), (2415, 7755443), (2643, 7086415), (4405, 4251849), (6167, 3037035), (8803, 2127615), (13215, 1417283), (18501, 1012345), (20263, 924315), (26409, 709205), (30835, 607407), (44015, 425523), (60789, 308105), (61621, 303945), (92505, 202469), (101315, 184863), (132045, 141841)]