4500000018

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^2\times {\mathrm{148721}}^1$

素因数の和:148811

約数の個数: 36

約数和(自身を含む): 9993672234

約数和(自身を除く): 5493672216

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 1681, 3362, 5043, 10086, 15129, 30258, 148721, 297442, 446163, 892326, 1338489, 2676978, 6097561, 12195122, 18292683, 36585366, 54878049, 109756098, 250000001, 500000002, 750000003, 1500000006, 2250000009, 4500000018]

約数ペア:

[(1, 4500000018), (2, 2250000009), (3, 1500000006), (6, 750000003), (9, 500000002), (18, 250000001), (41, 109756098), (82, 54878049), (123, 36585366), (246, 18292683), (369, 12195122), (738, 6097561), (1681, 2676978), (3362, 1338489), (5043, 892326), (10086, 446163), (15129, 297442), (30258, 148721)]