18256768

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 20519552

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 107, 124, 128, 172, 214, 248, 344, 428, 496, 688, 856, 992, 1333, 1376, 1712, 1984, 2666, 2752, 3317, 3424, 3968, 4601, 5332, 5504, 6634, 6848, 9202, 10664, 13268, 13696, 18404, 21328, 26536, 36808, 42656, 53072, 73616, 85312, 106144, 142631, 147232, 170624, 212288, 285262, 294464, 424576, 570524, 588928, 1141048, 2282096, 4564192, 9128384, 18256768]

約数ペア:

[(1, 18256768), (2, 9128384), (4, 4564192), (8, 2282096), (16, 1141048), (31, 588928), (32, 570524), (43, 424576), (62, 294464), (64, 285262), (86, 212288), (107, 170624), (124, 147232), (128, 142631), (172, 106144), (214, 85312), (248, 73616), (344, 53072), (428, 42656), (496, 36808), (688, 26536), (856, 21328), (992, 18404), (1333, 13696), (1376, 13268), (1712, 10664), (1984, 9202), (2666, 6848), (2752, 6634), (3317, 5504), (3424, 5332), (3968, 4601)]