19175805

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 38304000

約数和(自身を除く): 19128195

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 99, 111, 135, 165, 185, 297, 333, 349, 407, 495, 555, 999, 1047, 1221, 1485, 1665, 1745, 2035, 3141, 3663, 3839, 4995, 5235, 6105, 9423, 10989, 11517, 12913, 15705, 18315, 19195, 34551, 38739, 47115, 54945, 57585, 64565, 103653, 116217, 142043, 172755, 193695, 348651, 426129, 518265, 581085, 710215, 1278387, 1743255, 2130645, 3835161, 6391935, 19175805]

約数ペア:

[(1, 19175805), (3, 6391935), (5, 3835161), (9, 2130645), (11, 1743255), (15, 1278387), (27, 710215), (33, 581085), (37, 518265), (45, 426129), (55, 348651), (99, 193695), (111, 172755), (135, 142043), (165, 116217), (185, 103653), (297, 64565), (333, 57585), (349, 54945), (407, 47115), (495, 38739), (555, 34551), (999, 19195), (1047, 18315), (1221, 15705), (1485, 12913), (1665, 11517), (1745, 10989), (2035, 9423), (3141, 6105), (3663, 5235), (3839, 4995)]