180542018

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 285638400

約数和(自身を除く): 105096382

約数列:

[1, 2, 37, 74, 79, 89, 158, 178, 347, 694, 2923, 3293, 5846, 6586, 7031, 12839, 14062, 25678, 27413, 30883, 54826, 61766, 260147, 520294, 1014281, 1142671, 2028562, 2285342, 2439757, 4879514, 90271009, 180542018]

約数ペア:

[(1, 180542018), (2, 90271009), (37, 4879514), (74, 2439757), (79, 2285342), (89, 2028562), (158, 1142671), (178, 1014281), (347, 520294), (694, 260147), (2923, 61766), (3293, 54826), (5846, 30883), (6586, 27413), (7031, 25678), (12839, 14062)]