18416853

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 33196800

約数和(自身を除く): 14779947

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 113, 117, 199, 273, 339, 597, 791, 819, 1017, 1393, 1469, 1791, 2373, 2587, 4179, 4407, 7119, 7761, 10283, 12537, 13221, 18109, 22487, 23283, 30849, 54327, 67461, 92547, 157409, 162981, 202383, 292331, 472227, 876993, 1416681, 2046317, 2630979, 6138951, 18416853]

約数ペア:

[(1, 18416853), (3, 6138951), (7, 2630979), (9, 2046317), (13, 1416681), (21, 876993), (39, 472227), (63, 292331), (91, 202383), (113, 162981), (117, 157409), (199, 92547), (273, 67461), (339, 54327), (597, 30849), (791, 23283), (819, 22487), (1017, 18109), (1393, 13221), (1469, 12537), (1791, 10283), (2373, 7761), (2587, 7119), (4179, 4407)]