19127115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 38840256

約数和(自身を除く): 19713141

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1481, 1845, 2583, 4305, 4443, 7405, 10367, 12915, 13329, 22215, 31101, 51835, 60721, 66645, 93303, 155505, 182163, 303605, 425047, 466515, 546489, 910815, 1275141, 2125235, 2732445, 3825423, 6375705, 19127115]

約数ペア:

[(1, 19127115), (3, 6375705), (5, 3825423), (7, 2732445), (9, 2125235), (15, 1275141), (21, 910815), (35, 546489), (41, 466515), (45, 425047), (63, 303605), (105, 182163), (123, 155505), (205, 93303), (287, 66645), (315, 60721), (369, 51835), (615, 31101), (861, 22215), (1435, 13329), (1481, 12915), (1845, 10367), (2583, 7405), (4305, 4443)]