19045395

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 15307245

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 1987, 3195, 5961, 9585, 9935, 17883, 29805, 53649, 89415, 141077, 268245, 423231, 705385, 1269693, 2116155, 3809079, 6348465, 19045395]

約数ペア:

[(1, 19045395), (3, 6348465), (5, 3809079), (9, 2116155), (15, 1269693), (27, 705385), (45, 423231), (71, 268245), (135, 141077), (213, 89415), (355, 53649), (639, 29805), (1065, 17883), (1917, 9935), (1987, 9585), (3195, 5961)]