15581824

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 33660000

約数和(自身を除く): 18078176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 149, 152, 172, 298, 304, 344, 596, 608, 688, 817, 1192, 1216, 1376, 1634, 2384, 2432, 2752, 2831, 3268, 4768, 5504, 5662, 6407, 6536, 9536, 11324, 12814, 13072, 19072, 22648, 25628, 26144, 45296, 51256, 52288, 90592, 102512, 104576, 121733, 181184, 205024, 243466, 362368, 410048, 486932, 820096, 973864, 1947728, 3895456, 7790912, 15581824]

約数ペア:

[(1, 15581824), (2, 7790912), (4, 3895456), (8, 1947728), (16, 973864), (19, 820096), (32, 486932), (38, 410048), (43, 362368), (64, 243466), (76, 205024), (86, 181184), (128, 121733), (149, 104576), (152, 102512), (172, 90592), (298, 52288), (304, 51256), (344, 45296), (596, 26144), (608, 25628), (688, 22648), (817, 19072), (1192, 13072), (1216, 12814), (1376, 11324), (1634, 9536), (2384, 6536), (2432, 6407), (2752, 5662), (2831, 5504), (3268, 4768)]