18709704

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2252

約数の個数: 80

約数和(自身を含む): 56461020

約数和(自身を除く): 37751316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2221, 2808, 4212, 4442, 6663, 8424, 8884, 13326, 17768, 19989, 26652, 28873, 39978, 53304, 57746, 59967, 79956, 86619, 115492, 119934, 159912, 173238, 179901, 230984, 239868, 259857, 346476, 359802, 479736, 519714, 692952, 719604, 779571, 1039428, 1439208, 1559142, 2078856, 2338713, 3118284, 4677426, 6236568, 9354852, 18709704]

約数ペア:

[(1, 18709704), (2, 9354852), (3, 6236568), (4, 4677426), (6, 3118284), (8, 2338713), (9, 2078856), (12, 1559142), (13, 1439208), (18, 1039428), (24, 779571), (26, 719604), (27, 692952), (36, 519714), (39, 479736), (52, 359802), (54, 346476), (72, 259857), (78, 239868), (81, 230984), (104, 179901), (108, 173238), (117, 159912), (156, 119934), (162, 115492), (216, 86619), (234, 79956), (312, 59967), (324, 57746), (351, 53304), (468, 39978), (648, 28873), (702, 26652), (936, 19989), (1053, 17768), (1404, 13326), (2106, 8884), (2221, 8424), (2808, 6663), (4212, 4442)]