18961180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{811}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 45835776

約数和(自身を除く): 26874596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 811, 835, 1169, 1622, 1670, 2338, 3244, 3340, 4055, 4676, 5677, 5845, 8110, 11354, 11690, 16220, 22708, 23380, 28385, 56770, 113540, 135437, 270874, 541748, 677185, 948059, 1354370, 1896118, 2708740, 3792236, 4740295, 9480590, 18961180]

約数ペア:

[(1, 18961180), (2, 9480590), (4, 4740295), (5, 3792236), (7, 2708740), (10, 1896118), (14, 1354370), (20, 948059), (28, 677185), (35, 541748), (70, 270874), (140, 135437), (167, 113540), (334, 56770), (668, 28385), (811, 23380), (835, 22708), (1169, 16220), (1622, 11690), (1670, 11354), (2338, 8110), (3244, 5845), (3340, 5677), (4055, 4676)]