19001115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20107}}^1$

素因数の和:20128

約数の個数: 32

約数和(自身を含む): 38607360

約数和(自身を除く): 19606245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20107, 60321, 100535, 140749, 180963, 301605, 422247, 542889, 703745, 904815, 1266741, 2111235, 2714445, 3800223, 6333705, 19001115]

約数ペア:

[(1, 19001115), (3, 6333705), (5, 3800223), (7, 2714445), (9, 2111235), (15, 1266741), (21, 904815), (27, 703745), (35, 542889), (45, 422247), (63, 301605), (105, 180963), (135, 140749), (189, 100535), (315, 60321), (945, 20107)]