18086144

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 38852352

約数和(自身を除く): 20766208

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 53, 62, 64, 86, 106, 124, 128, 172, 212, 248, 256, 344, 424, 496, 688, 848, 992, 1333, 1376, 1643, 1696, 1984, 2279, 2666, 2752, 3286, 3392, 3968, 4558, 5332, 5504, 6572, 6784, 7936, 9116, 10664, 11008, 13144, 13568, 18232, 21328, 26288, 36464, 42656, 52576, 70649, 72928, 85312, 105152, 141298, 145856, 170624, 210304, 282596, 291712, 341248, 420608, 565192, 583424, 1130384, 2260768, 4521536, 9043072, 18086144]

約数ペア:

[(1, 18086144), (2, 9043072), (4, 4521536), (8, 2260768), (16, 1130384), (31, 583424), (32, 565192), (43, 420608), (53, 341248), (62, 291712), (64, 282596), (86, 210304), (106, 170624), (124, 145856), (128, 141298), (172, 105152), (212, 85312), (248, 72928), (256, 70649), (344, 52576), (424, 42656), (496, 36464), (688, 26288), (848, 21328), (992, 18232), (1333, 13568), (1376, 13144), (1643, 11008), (1696, 10664), (1984, 9116), (2279, 7936), (2666, 6784), (2752, 6572), (3286, 5504), (3392, 5332), (3968, 4558)]