18109952

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 42949632

約数和(自身を除く): 24839680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 163, 217, 224, 248, 256, 326, 434, 448, 496, 512, 652, 868, 896, 992, 1141, 1304, 1736, 1792, 1984, 2282, 2608, 3472, 3584, 3968, 4564, 5053, 5216, 6944, 7936, 9128, 10106, 10432, 13888, 15872, 18256, 20212, 20864, 27776, 35371, 36512, 40424, 41728, 55552, 70742, 73024, 80848, 83456, 111104, 141484, 146048, 161696, 282968, 292096, 323392, 565936, 584192, 646784, 1131872, 1293568, 2263744, 2587136, 4527488, 9054976, 18109952]

約数ペア:

[(1, 18109952), (2, 9054976), (4, 4527488), (7, 2587136), (8, 2263744), (14, 1293568), (16, 1131872), (28, 646784), (31, 584192), (32, 565936), (56, 323392), (62, 292096), (64, 282968), (112, 161696), (124, 146048), (128, 141484), (163, 111104), (217, 83456), (224, 80848), (248, 73024), (256, 70742), (326, 55552), (434, 41728), (448, 40424), (496, 36512), (512, 35371), (652, 27776), (868, 20864), (896, 20212), (992, 18256), (1141, 15872), (1304, 13888), (1736, 10432), (1792, 10106), (1984, 9128), (2282, 7936), (2608, 6944), (3472, 5216), (3584, 5053), (3968, 4564)]