19903968

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{1097}}^1$

素因数の和:1126

約数の個数: 120

約数和(自身を含む): 66960432

約数和(自身を除く): 47056464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1097, 1134, 1296, 1512, 2016, 2194, 2268, 2592, 3024, 3291, 4388, 4536, 6048, 6582, 7679, 8776, 9072, 9873, 13164, 15358, 17552, 18144, 19746, 23037, 26328, 29619, 30716, 35104, 39492, 46074, 52656, 59238, 61432, 69111, 78984, 88857, 92148, 105312, 118476, 122864, 138222, 157968, 177714, 184296, 207333, 236952, 245728, 276444, 315936, 355428, 368592, 414666, 473904, 552888, 621999, 710856, 737184, 829332, 947808, 1105776, 1243998, 1421712, 1658664, 2211552, 2487996, 2843424, 3317328, 4975992, 6634656, 9951984, 19903968]

約数ペア:

[(1, 19903968), (2, 9951984), (3, 6634656), (4, 4975992), (6, 3317328), (7, 2843424), (8, 2487996), (9, 2211552), (12, 1658664), (14, 1421712), (16, 1243998), (18, 1105776), (21, 947808), (24, 829332), (27, 737184), (28, 710856), (32, 621999), (36, 552888), (42, 473904), (48, 414666), (54, 368592), (56, 355428), (63, 315936), (72, 276444), (81, 245728), (84, 236952), (96, 207333), (108, 184296), (112, 177714), (126, 157968), (144, 138222), (162, 122864), (168, 118476), (189, 105312), (216, 92148), (224, 88857), (252, 78984), (288, 69111), (324, 61432), (336, 59238), (378, 52656), (432, 46074), (504, 39492), (567, 35104), (648, 30716), (672, 29619), (756, 26328), (864, 23037), (1008, 19746), (1097, 18144), (1134, 17552), (1296, 15358), (1512, 13164), (2016, 9873), (2194, 9072), (2268, 8776), (2592, 7679), (3024, 6582), (3291, 6048), (4388, 4536)]