17939350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 72

約数和(自身を含む): 39620232

約数和(自身を除く): 21680882

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 169, 193, 275, 286, 325, 338, 386, 550, 650, 715, 845, 965, 1430, 1690, 1859, 1930, 2123, 2509, 3575, 3718, 4225, 4246, 4825, 5018, 7150, 8450, 9295, 9650, 10615, 12545, 18590, 21230, 25090, 27599, 32617, 46475, 53075, 55198, 62725, 65234, 92950, 106150, 125450, 137995, 163085, 275990, 326170, 358787, 689975, 717574, 815425, 1379950, 1630850, 1793935, 3587870, 8969675, 17939350]

約数ペア:

[(1, 17939350), (2, 8969675), (5, 3587870), (10, 1793935), (11, 1630850), (13, 1379950), (22, 815425), (25, 717574), (26, 689975), (50, 358787), (55, 326170), (65, 275990), (110, 163085), (130, 137995), (143, 125450), (169, 106150), (193, 92950), (275, 65234), (286, 62725), (325, 55198), (338, 53075), (386, 46475), (550, 32617), (650, 27599), (715, 25090), (845, 21230), (965, 18590), (1430, 12545), (1690, 10615), (1859, 9650), (1930, 9295), (2123, 8450), (2509, 7150), (3575, 5018), (3718, 4825), (4225, 4246)]