19964835

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 38514528

約数和(自身を除く): 18549693

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 761, 795, 1749, 2283, 2385, 2915, 3805, 5247, 6849, 8371, 8745, 11415, 25113, 26235, 34245, 40333, 41855, 75339, 120999, 125565, 201665, 362997, 376695, 443663, 604995, 1330989, 1814985, 2218315, 3992967, 6654945, 19964835]

約数ペア:

[(1, 19964835), (3, 6654945), (5, 3992967), (9, 2218315), (11, 1814985), (15, 1330989), (33, 604995), (45, 443663), (53, 376695), (55, 362997), (99, 201665), (159, 125565), (165, 120999), (265, 75339), (477, 41855), (495, 40333), (583, 34245), (761, 26235), (795, 25113), (1749, 11415), (2283, 8745), (2385, 8371), (2915, 6849), (3805, 5247)]