18999072

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1666

約数の個数: 72

約数和(自身を含む): 55380780

約数和(自身を除く): 36381708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1609, 1968, 2952, 3218, 3936, 4827, 5904, 6436, 9654, 11808, 12872, 14481, 19308, 25744, 28962, 38616, 51488, 57924, 65969, 77232, 115848, 131938, 154464, 197907, 231696, 263876, 395814, 463392, 527752, 593721, 791628, 1055504, 1187442, 1583256, 2111008, 2374884, 3166512, 4749768, 6333024, 9499536, 18999072]

約数ペア:

[(1, 18999072), (2, 9499536), (3, 6333024), (4, 4749768), (6, 3166512), (8, 2374884), (9, 2111008), (12, 1583256), (16, 1187442), (18, 1055504), (24, 791628), (32, 593721), (36, 527752), (41, 463392), (48, 395814), (72, 263876), (82, 231696), (96, 197907), (123, 154464), (144, 131938), (164, 115848), (246, 77232), (288, 65969), (328, 57924), (369, 51488), (492, 38616), (656, 28962), (738, 25744), (984, 19308), (1312, 14481), (1476, 12872), (1609, 11808), (1968, 9654), (2952, 6436), (3218, 5904), (3936, 4827)]