18078208

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 80

約数和(自身を含む): 40068864

約数和(自身を除く): 21990656

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 67, 68, 124, 128, 134, 136, 248, 256, 268, 272, 496, 512, 527, 536, 544, 992, 1054, 1072, 1088, 1139, 1984, 2077, 2108, 2144, 2176, 2278, 3968, 4154, 4216, 4288, 4352, 4556, 7936, 8308, 8432, 8576, 8704, 9112, 15872, 16616, 16864, 17152, 18224, 33232, 33728, 34304, 35309, 36448, 66464, 67456, 70618, 72896, 132928, 134912, 141236, 145792, 265856, 269824, 282472, 291584, 531712, 564944, 583168, 1063424, 1129888, 2259776, 4519552, 9039104, 18078208]

約数ペア:

[(1, 18078208), (2, 9039104), (4, 4519552), (8, 2259776), (16, 1129888), (17, 1063424), (31, 583168), (32, 564944), (34, 531712), (62, 291584), (64, 282472), (67, 269824), (68, 265856), (124, 145792), (128, 141236), (134, 134912), (136, 132928), (248, 72896), (256, 70618), (268, 67456), (272, 66464), (496, 36448), (512, 35309), (527, 34304), (536, 33728), (544, 33232), (992, 18224), (1054, 17152), (1072, 16864), (1088, 16616), (1139, 15872), (1984, 9112), (2077, 8704), (2108, 8576), (2144, 8432), (2176, 8308), (2278, 7936), (3968, 4556), (4154, 4352), (4216, 4288)]