18992260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{463}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 45835776

約数和(自身を除く): 26843516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 463, 586, 926, 1172, 1465, 1852, 2051, 2315, 2930, 3241, 4102, 4630, 5860, 6482, 8204, 9260, 10255, 12964, 16205, 20510, 32410, 41020, 64820, 135659, 271318, 542636, 678295, 949613, 1356590, 1899226, 2713180, 3798452, 4748065, 9496130, 18992260]

約数ペア:

[(1, 18992260), (2, 9496130), (4, 4748065), (5, 3798452), (7, 2713180), (10, 1899226), (14, 1356590), (20, 949613), (28, 678295), (35, 542636), (70, 271318), (140, 135659), (293, 64820), (463, 41020), (586, 32410), (926, 20510), (1172, 16205), (1465, 12964), (1852, 10255), (2051, 9260), (2315, 8204), (2930, 6482), (3241, 5860), (4102, 4630)]