18598016

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 39494400

約数和(自身を除く): 20896384

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 109, 124, 128, 172, 218, 248, 344, 436, 496, 688, 872, 992, 1333, 1376, 1744, 1984, 2666, 2752, 3379, 3488, 3968, 4687, 5332, 5504, 6758, 6976, 9374, 10664, 13516, 13952, 18748, 21328, 27032, 37496, 42656, 54064, 74992, 85312, 108128, 145297, 149984, 170624, 216256, 290594, 299968, 432512, 581188, 599936, 1162376, 2324752, 4649504, 9299008, 18598016]

約数ペア:

[(1, 18598016), (2, 9299008), (4, 4649504), (8, 2324752), (16, 1162376), (31, 599936), (32, 581188), (43, 432512), (62, 299968), (64, 290594), (86, 216256), (109, 170624), (124, 149984), (128, 145297), (172, 108128), (218, 85312), (248, 74992), (344, 54064), (436, 42656), (496, 37496), (688, 27032), (872, 21328), (992, 18748), (1333, 13952), (1376, 13516), (1744, 10664), (1984, 9374), (2666, 6976), (2752, 6758), (3379, 5504), (3488, 5332), (3968, 4687)]