16668928

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 36792000

約数和(自身を除く): 20123072

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 149, 152, 184, 256, 298, 304, 368, 437, 596, 608, 736, 874, 1192, 1216, 1472, 1748, 2384, 2432, 2831, 2944, 3427, 3496, 4768, 4864, 5662, 5888, 6854, 6992, 9536, 11324, 13708, 13984, 19072, 22648, 27416, 27968, 38144, 45296, 54832, 55936, 65113, 90592, 109664, 111872, 130226, 181184, 219328, 260452, 362368, 438656, 520904, 724736, 877312, 1041808, 2083616, 4167232, 8334464, 16668928]

約数ペア:

[(1, 16668928), (2, 8334464), (4, 4167232), (8, 2083616), (16, 1041808), (19, 877312), (23, 724736), (32, 520904), (38, 438656), (46, 362368), (64, 260452), (76, 219328), (92, 181184), (128, 130226), (149, 111872), (152, 109664), (184, 90592), (256, 65113), (298, 55936), (304, 54832), (368, 45296), (437, 38144), (596, 27968), (608, 27416), (736, 22648), (874, 19072), (1192, 13984), (1216, 13708), (1472, 11324), (1748, 9536), (2384, 6992), (2432, 6854), (2831, 5888), (2944, 5662), (3427, 4864), (3496, 4768)]