18738538

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 34876800

約数和(自身を除く): 16138262

約数列:

[1, 2, 7, 13, 14, 26, 91, 149, 182, 298, 691, 1043, 1382, 1937, 2086, 3874, 4837, 8983, 9674, 13559, 17966, 27118, 62881, 102959, 125762, 205918, 720713, 1338467, 1441426, 2676934, 9369269, 18738538]

約数ペア:

[(1, 18738538), (2, 9369269), (7, 2676934), (13, 1441426), (14, 1338467), (26, 720713), (91, 205918), (149, 125762), (182, 102959), (298, 62881), (691, 27118), (1043, 17966), (1382, 13559), (1937, 9674), (2086, 8983), (3874, 4837)]