19800198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9091}}^1$

素因数の和:9121

約数の個数: 36

約数和(自身を含む): 47160204

約数和(自身を除く): 27360006

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9091, 18182, 27273, 54546, 81819, 100001, 163638, 200002, 300003, 600006, 900009, 1100011, 1800018, 2200022, 3300033, 6600066, 9900099, 19800198]

約数ペア:

[(1, 19800198), (2, 9900099), (3, 6600066), (6, 3300033), (9, 2200022), (11, 1800018), (18, 1100011), (22, 900009), (33, 600006), (66, 300003), (99, 200002), (121, 163638), (198, 100001), (242, 81819), (363, 54546), (726, 27273), (1089, 18182), (2178, 9091)]