18741954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 28536126

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 113, 154, 226, 231, 339, 359, 462, 678, 718, 791, 1077, 1243, 1582, 2154, 2373, 2486, 2513, 3729, 3949, 4746, 5026, 7458, 7539, 7898, 8701, 11847, 15078, 17402, 23694, 26103, 27643, 40567, 52206, 55286, 81134, 82929, 121701, 165858, 243402, 283969, 446237, 567938, 851907, 892474, 1338711, 1703814, 2677422, 3123659, 6247318, 9370977, 18741954]

約数ペア:

[(1, 18741954), (2, 9370977), (3, 6247318), (6, 3123659), (7, 2677422), (11, 1703814), (14, 1338711), (21, 892474), (22, 851907), (33, 567938), (42, 446237), (66, 283969), (77, 243402), (113, 165858), (154, 121701), (226, 82929), (231, 81134), (339, 55286), (359, 52206), (462, 40567), (678, 27643), (718, 26103), (791, 23694), (1077, 17402), (1243, 15078), (1582, 11847), (2154, 8701), (2373, 7898), (2486, 7539), (2513, 7458), (3729, 5026), (3949, 4746)]