19171180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3701}}^1$

素因数の和:3754

約数の個数: 48

約数和(自身を含む): 47267136

約数和(自身を除く): 28095956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3701, 5180, 7402, 14804, 18505, 25907, 37010, 51814, 74020, 103628, 129535, 136937, 259070, 273874, 518140, 547748, 684685, 958559, 1369370, 1917118, 2738740, 3834236, 4792795, 9585590, 19171180]

約数ペア:

[(1, 19171180), (2, 9585590), (4, 4792795), (5, 3834236), (7, 2738740), (10, 1917118), (14, 1369370), (20, 958559), (28, 684685), (35, 547748), (37, 518140), (70, 273874), (74, 259070), (140, 136937), (148, 129535), (185, 103628), (259, 74020), (370, 51814), (518, 37010), (740, 25907), (1036, 18505), (1295, 14804), (2590, 7402), (3701, 5180)]