19372580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 23205340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 263, 290, 508, 526, 580, 635, 1052, 1270, 1315, 2540, 2630, 3683, 5260, 7366, 7627, 14732, 15254, 18415, 30508, 33401, 36830, 38135, 66802, 73660, 76270, 133604, 152540, 167005, 334010, 668020, 968629, 1937258, 3874516, 4843145, 9686290, 19372580]

約数ペア:

[(1, 19372580), (2, 9686290), (4, 4843145), (5, 3874516), (10, 1937258), (20, 968629), (29, 668020), (58, 334010), (116, 167005), (127, 152540), (145, 133604), (254, 76270), (263, 73660), (290, 66802), (508, 38135), (526, 36830), (580, 33401), (635, 30508), (1052, 18415), (1270, 15254), (1315, 14732), (2540, 7627), (2630, 7366), (3683, 5260)]