18995808

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 55544832

約数和(自身を除く): 36549024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 491, 496, 624, 744, 806, 982, 992, 1209, 1248, 1473, 1488, 1612, 1964, 2418, 2946, 2976, 3224, 3928, 4836, 5892, 6383, 6448, 7856, 9672, 11784, 12766, 12896, 15221, 15712, 19149, 19344, 23568, 25532, 30442, 38298, 38688, 45663, 47136, 51064, 60884, 76596, 91326, 102128, 121768, 153192, 182652, 197873, 204256, 243536, 306384, 365304, 395746, 487072, 593619, 612768, 730608, 791492, 1187238, 1461216, 1582984, 2374476, 3165968, 4748952, 6331936, 9497904, 18995808]

約数ペア:

[(1, 18995808), (2, 9497904), (3, 6331936), (4, 4748952), (6, 3165968), (8, 2374476), (12, 1582984), (13, 1461216), (16, 1187238), (24, 791492), (26, 730608), (31, 612768), (32, 593619), (39, 487072), (48, 395746), (52, 365304), (62, 306384), (78, 243536), (93, 204256), (96, 197873), (104, 182652), (124, 153192), (156, 121768), (186, 102128), (208, 91326), (248, 76596), (312, 60884), (372, 51064), (403, 47136), (416, 45663), (491, 38688), (496, 38298), (624, 30442), (744, 25532), (806, 23568), (982, 19344), (992, 19149), (1209, 15712), (1248, 15221), (1473, 12896), (1488, 12766), (1612, 11784), (1964, 9672), (2418, 7856), (2946, 6448), (2976, 6383), (3224, 5892), (3928, 4836)]